
The list of Wikipedia people includes notable editors, founders and functionaries of the online encyclopedia Wikipedia.

Evan Amos is a video gaming photographer of high-quality stock photography of video game consoles, which he releases into the public domain. Known for contributing these images to the online encyclopedia Wikipedia, Amos is as of 2015 working on The Vanamo Online Game Museum, a free digital archive of video game hardware. As of 2018, Amos resides in Brooklyn, New York City.

Raymond Ward Arritt was an American agronomist whose research focused on agricultural meteorology. He taught at Iowa State University from 1993 until his death in 2018. At Iowa State, he was responsible for operating the meteorological data repository Iowa Environmental Mesonet. He was one of three Iowa State faculty who contributed to the fourth (AR4) Intergovernmental Panel on Climate Change (IPCC) assessment report, which led to the IPCC sharing the 2007 Nobel Peace Prize with Al Gore.

Amin Azzam is a clinical professor in the department of psychiatry at the University of California, San Francisco (UCSF) School of Medicine. He is also a clinical professor at the University of California, Berkeley, the associate director of the UC Berkeley – UCSF Joint Medical Program, and the director of the program's "Problem-Based Learning" curriculum. He is known for teaching an elective class for fourth-year medical students that consists entirely of editing Wikipedia articles about medical topics. He originally got the idea from one of his students, Michael Turken, in 2012, and was skeptical at first, but later became convinced that it could be a good idea. He then developed the class with Turken. He first taught the monthlong course in December 2013. With regard to the class, he has said, "It is part of our social contract with society, as physicians, to be contributing to Wikipedia and other open-access repositories because that is where the world reads about health information.” His class continues to the present.

Volodymyr Stefanovych Biletskyy is a Ukrainian mining engineer, D.Sc. scientist and researcher in the field of coal mining, publisher and political scientist. He has published many technical articles on the subject of mining, and was the initiator and editor of the first Ukrainian Mining Encyclopedia.

Yaroslav Mikhaylovich Blanter is a Russian physicist, an expert in the field of extractive metallurgy and condensed matter physics. As of 2011, he is the Antoni van Leeuwenhoek professor at the Delft University of Technology.

William Michael Connolley is a British software engineer, writer, and blogger on climatology. Until December 2007 he was Senior Scientific Officer in the Physical Sciences Division in the Antarctic Climate and the Earth System project at the British Antarctic Survey, where he worked as a climate modeller. After this he became a software engineer for Cambridge Silicon Radio.
Lee Daniel Crocker is an American computer programmer. He is best known for rewriting the software upon which Wikipedia runs, to address scalability problems. This software, originally known as "Phase III", went live in July 2002 and became the foundation of what is now called MediaWiki. MediaWiki's code repository was still named "phase3" until the move from Subversion to Git in March 2012.

Michael R. Dickison is a New Zealand museum curator, zoologist and Wikipedia editor. He was New Zealand's first Wikipedian at Large, in 2018–19, receiving a grant from the Wikimedia Foundation.

Oscar Ignatius Joannes van Dillen is a Dutch composer, conductor, and instrumentalist.

Piotr Krystian Domaradzki was a Polish-American journalist, essayist and historian who, during a longtime association with Chicago's Polish community, worked for 30 years at Dziennik Związkowy, the oldest and largest Polish-language newspaper in the United States. From October 2009 to March 2013, he served as the paper's editor-in-chief. He emigrated from Poland in 1984 and became a U.S. citizen in 1996.

Siân Evans is an American librarian, activist, and Wikimedian. She is co-founder of the Art+Feminism, a global edit-a-thon to challenge gender bias on Wikipedia. Evans is a librarian at the Maryland Institute College of Art.

Sue Gardner is a Canadian journalist, not-for-profit executive and business executive. She was the executive director of the Wikimedia Foundation from December 2007 until May 2014, and before that was the director of the Canadian Broadcasting Corporation's website and online news outlets.

Susan Marie Gerbic is an American skeptical activist living in Salinas, California. Gerbic is the co-founder of Monterey County Skeptics, founder and leader of the Guerrilla Skepticism on Wikipedia (GSoW) project, a regular contributor to Skeptical Inquirer, The Skeptic Zone podcast, and a fellow of the Committee for Skeptical Inquiry. Gerbic has focused much of her skeptical activism on people claiming to be clairvoyant mediums, such as Sylvia Browne, Tyler Henry, and Thomas John, whom she calls "grief vampires".

Martin Haase is a German linguistics professor at the University of Bamberg as well as a linguist, polyglot, and podcaster.

Heather T. Hart is a visual artist who works in a variety of media including interactive and participatory Installation art, drawing, collage, and painting. She is a co-founder of the Black Lunch Table Project, which includes a Wikipedia initiative focused on addressing gender gap and diversity representation in the arts on Wikipedia.

James M. Heilman is a Canadian emergency physician, Wikipedian, and advocate for the improvement of Wikipedia's health-related content. He encourages other clinicians to contribute to the online encyclopedia.

Andrea Jean James is an American transgender rights activist, film producer, and blogger.

Dariusz Jemielniak is a full professor of management, the head of the Center for Research on Organizations and Workplaces (CROW), and a founder of New Research on Digital Societies (NeRDS) group at Kozminski University. His interests revolve about critical management studies, open collaboration projects, narrativity, storytelling, knowledge-intensive organizations, virtual communities, organizational archetypes, all studied by interpretive and qualitative methods. In 2015, he was elected to the Wikimedia Foundation board of trustees.

Richard Joseph Jensen is an American historian, who was professor of history at the University of Illinois, Chicago, from 1973 to 1996. He has worked on American political, social, military, and economic history as well as historiography and quantitative and computer methods. His work includes the Midwestern electoral history, The Winning of the Midwest and Historian's Guide to Statistics.

Uładzimir Katkoŭski was a Belarusian blogger, web designer and website creator.

Rauan Kenzhekhanuly is a Kazakh entrepreneur and NGO activist who was named the first Wikipedian of the Year in August 2011 by Wikipedia co-founder Jimmy Wales at Wikimania.

Bassel Khartabil, also known as Bassel Safadi, was a Palestinian Syrian open-source software developer. On 15 March 2012, the one-year anniversary of the Syrian uprising, he was detained by the Syrian government at Adra Prison in Damascus. Between then and 3 October 2015, he had been transferred to an unknown location, probably to be judged by a military court. On 7 October 2015, Human Rights Watch and 30 other human rights organizations issued a letter demanding that Khartabil's whereabouts be disclosed. On 11 November 2015, rumors surfaced that Khartabil had been secretly sentenced to death. In August 2017, his wife made public that Khartabil had been executed by the Syrian government shortly after his disappearance in 2015.

Justin Anthony Knapp, also known by his online moniker Koavf, is an American Wikipedia user who was the first person to contribute more than one million edits to Wikipedia. As of March 2020, Knapp has made over 2 million edits on English Wikipedia. As of August 2016, he has contributed to and nominated two articles recognized as "featured articles" which he described as "the highest quality of article on Wikipedia". He was ranked No. 1 among the most active Wikipedia contributors of all time from April 18, 2012 to November 1, 2015 when he was surpassed by Steven Pruitt.

Ihor Ihorovych Kostenko was a Ukrainian journalist, student activist and Wikipedian killed during the Euromaidan events.

Siobhan Leachman is a New Zealand citizen scientist, open knowledge advocate, and Wikipedian whose work focusses on natural history.
Andrew Lih is an American new media researcher, consultant and writer, as well as an authority on both Wikipedia and internet censorship in the People's Republic of China. In 2013 he was appointed an associate professor of journalism at American University in Washington, D.C.
Patricio Lorente is an Argentine scholar and General Secretary of the National University of La Plata.

Heinrich Magnus Manske is a senior staff scientist at the Wellcome Trust Sanger Institute in Cambridge, UK and a software developer of one of the first versions of the MediaWiki software, which powers Wikipedia.
Ira Brad Matetsky is an American lawyer and Wikipedian.

Emna Mizouni is a Tunisian online and human rights activist, free-lance journalist, communications expert and business executive. After successfully helping to prepare RightsCon Tunis, in July 2019, Access Now, the international non-profit human rights group intent on an open Internet, announced her appointment to serve in their global board of directors. In March 2013, Mizouni co-founded Carthagina, an initiative designed to create interest in Tunisia's cultural heritage at home and abroad. In August 2019, at the Wikimedia Conference in Stockholm, she was honoured as Wikimedian of the Year 2019 as a result of the leading role she has played in the development of Arab and African communities as well as her success in promoting the history and culture of Tunisia.

Erik Möller is a German freelance journalist, software developer, author, and former deputy director of the Wikimedia Foundation (WMF), based in San Francisco. Möller additionally works as a web designer and previously managed his own web hosting service, myoo.de.

Eliza Myrie is a visual artist who lives and works in Chicago, IL. Myrie works in a variety of media including sculpture, participatory installation art, public art, and printmaking.

Tron Øgrim was a Norwegian journalist, author and politician. He was active in Socialist Youth Union from 1965 to 1973, and a central figure in the Workers' Communist Party from 1973 to 1984. In addition to being a politician, Øgrim was an author of political works and several science fiction novels. He was notable for communicating in a non-standard eastern Oslo dialect, even where he might have been expected to use standardized Bokmål.

Lucy Dorothy Ozarin was a psychiatrist who served in the United States Navy. She was one of the first women psychiatrists commissioned in the Navy, and she was one of seven female Navy psychiatrists who served during World War II.

Steven Pruitt is an American Wikipedia editor who holds the highest number of edits made on the English Wikipedia. With over three million edits and more than 35,000 articles created, he was named as one of the 25 most important influencers on the Internet by Time magazine in 2017. Pruitt edits under the pseudonym "Ser Amantio di Nicolao," a reference to a minor character in Giacomo Puccini's opera Gianni Schicchi. He fights systemic bias on Wikipedia to promote female inclusion via the Women in Red project.

Simon Edward Pulsifer is a Canadian contributor to the English-language Wikipedia whose prolific participation made him a "minor media celebrity".

Steven Lee Rubenstein was an American anthropologist. He was reader in Latin American Anthropology at the University of Liverpool, and Director of Liverpool's Research Institute of Latin American Studies.

Lawrence Mark Sanger is an American internet project developer and co-founder of the internet encyclopedia Wikipedia, for which he coined the name and wrote much of its original governing policy. Sanger has worked on other online educational websites such as Nupedia, Citizendium, and Everipedia.

Antonio Santiago Rodríguez — better known as Tony the Marine or as Tony Santiago — is a United States Marine veteran, writer, and military historian from New York City, New York, focused mostly on the military history of Puerto Rico and its service members.

Seedfeeder is the pseudonym of an illustrator known for contributing sexually explicit drawings to Wikipedia. Between 2008 and 2012, the artist created 48 depictions of various sex acts. Seedfeeder's illustrations garnered negative and positive reactions: some Wikipedia editors claimed they contained racist and sexist undertones, while Andy Cush of Gawker called him "Wikipedia's greatest artist of sex acts". Artnet columnist Paddy Johnson listed Seedfeeder's work as one of the "Top 10 Digital Artworks of 2014".

María Sefidari Huici is the chair of the Wikimedia Foundation Board of Trustees. She was re-elected to the position in August 2019. Sefidari was named a Techweek "Women's Leadership Fellow" in 2014. In 2018, an essay she wrote about the upcoming European copyright reform was widely covered, including by Techcrunch and Boing Boing.
Revo Arka Giri Soekatno is an Indonesian researcher, entrepreneur, and Wikipedia enthusiast. He uses the name Meursault2004.

Dame Rosie Gojich Stephenson-Goodknight, known on Wikipedia as Rosiestep, is an American Wikipedia editor who is noted for her attempts to address gender bias in the encyclopedia by running a project to increase the quantity and quality of women's biographies. She has contributed thousands of new articles and was named co-Wikipedian of the Year in 2016. In May 2018, she was honored with a Serbian knighthood.

Aaron Hillel Swartz was an American computer programmer, entrepreneur, writer, political organizer, and Internet hacktivist. He was involved in the development of the web feed format RSS, the Markdown publishing format, the organization Creative Commons, and the website framework web.py, and joined the social news site Reddit six months after its founding. He was given the title of co-founder of Reddit by Y Combinator owner Paul Graham after the formation of Not a Bug, Inc.. Swartz's work also focused on civic awareness and activism. He helped launch the Progressive Change Campaign Committee in 2009 to learn more about effective online activism. In 2010, he became a research fellow at Harvard University's Safra Research Lab on Institutional Corruption, directed by Lawrence Lessig. He founded the online group Demand Progress, known for its campaign against the Stop Online Piracy Act.

Emily Temple-Wood is an American Wikipedia editor who goes by the name of Keilana on the site. She is known for her efforts to counter the effects and causes of gender bias on Wikipedia, particularly through the creation of articles about women in science. She was declared a joint recipient of the 2016 Wikipedian of the Year award, by Jimmy Wales, at Wikimania on June 24, 2016.

Lila Tretikov is a Russian–American engineer and manage, who was executive director of the Wikimedia Foundation from 2014 to 2016.

Jina Valentine is a contemporary American visual artist whose work is informed by the techniques and strategies of American folk artists. She uses a variety of media to weave histories—including drawing, papermaking, found-object collage, and radical archiving.

Pranayraj Vangari is a Telugu Theatre Research Scholar, Telugu Wikipedia Administrator and Chief Secretary of "Popcorn Theatre" group. With a concept name WikiVatsaram, he has written 365 new articles on Wikipedia in 365 days in a row. He is the first person to achieve this credit in the world. Continuing that trend, he completed 1000 articles in 1000 days as of June 4, 2019. Now he completed 1500 articles in 1500 days as of October 17, 2020.

Jessica Alice Feinmann Wade is a British physicist in the Blackett Laboratory at Imperial College London. Her research investigates polymer-based organic light emitting diodes (OLEDs). Her public engagement work in science, technology, engineering, and mathematics (STEM) champions women in physics as well as tackling systemic biases such as gender bias on Wikipedia and racial bias on Wikipedia.

Adrianne Wadewitz was an American feminist scholar of 18th-century British literature, and a Wikipedian and commenter upon Wikipedia, particularly focusing on gender issues. In April 2014, Wadewitz died from head injuries from a fall while rock climbing.

Jimmy Donal Wales is an American-British Internet entrepreneur. He is also a co-founder of the online non-profit encyclopedia Wikipedia, and the for-profit web hosting company Wikia.

Maia Weinstock is an American science writer and Lego enthusiast who resides in Cambridge, Massachusetts. She graduated from Brown University in 1999, and is Deputy Editor of MIT News.