
Mount Everest, at 8,848.86 metres (29,031.7 ft), is the world's highest mountain and a particularly desirable peak for mountaineers, but climbing it can be hazardous. More than 300 people have died attempting to reach the summit. The last year without known deaths on the mountain was 1977, a year in which only two people reached the summit.

Maj. Harsh Vardhan Bahuguna was a leading mountaineer of India and a military officer. He was an instructor of skiing and mountaineering at the High Altitude Warfare School, Gulmarg and had successfully climbed many mountains.

Babu Chiri Sherpa was a Sherpa mountaineer from Nepal. He reached the summit of Mount Everest ten times.

Scott Eugene Fischer was an American mountaineer and mountain guide. He was renowned for his ascents of the world's highest mountains made without the use of supplemental oxygen. Fischer and Wally Berg were the first Americans to summit Lhotse, the world's fourth highest peak. Fischer, Charley Mace, and Ed Viesturs summitted K2 without supplemental oxygen. Fischer first climbed Mount Everest in 1994 and later died during the 1996 blizzard on Everest while descending from the peak.

Daniel Paul Fredinburg was an American Google executive, climate activist, inventor, explorer, and entrepreneur. He died on April 25, 2015, of head injuries incurred in an avalanche at Mount Everest's South Base Camp triggered by the April 2015 Nepal earthquake.

Green Boots is the name given to the unidentified body of a climber that became a landmark on the main Northeast ridge route of Mount Everest. The body has not been officially identified, but he is believed to be Tsewang Paljor, an Indian climber who died on Everest in 1996. The term Green Boots originated from the green Koflach mountaineering boots on his feet. All expeditions from the north side encounter the body curled in the limestone alcove cave at 8,500 m (27,900 ft). In 2006, David Sharp was making a solo climb of Mount Everest when he died in what is known as "Green Boots' Cave".

Robert Edwin Hall was a New Zealand mountaineer. He was the head guide of a 1996 Mount Everest expedition during which he, a fellow guide, and two clients died. A best-selling account of the expedition was given in Jon Krakauer's Into Thin Air, and the expedition has been dramatised in the 2015 film Everest. At the time of his death, Hall had just completed his fifth ascent to the summit of Everest, more at that time than any other non-Sherpa mountaineer.

Zygmunt Andrzej Heinrich was a Polish mountaineer. He died in an avalanche on the northwest slopes of Mount Everest in 1989.

Karl Gordon Henize was an American astronomer, space scientist, NASA astronaut, and professor at Northwestern University. He was stationed at several observatories around the world, including McCormick Observatory, Lamont-Hussey Observatory, Mount Wilson Observatory, Smithsonian Astrophysical Observatory and Mount Stromlo Observatory (Australia). He was a member of the astronaut support crew for Apollo 15 and Skylab 2, 3, and 4. As a mission specialist on the Spacelab-2 mission (STS-51-F), he flew on Space Shuttle Challenger in July/August 1985. He was awarded the NASA Exceptional Scientific Achievement Medal in 1974.

Mohammed Khaled Hossain also known as Sajal Khaled was a Bangladeshi mountaineer and film director. He was the 5th Bangladeshi to reach the summit of Mount Everest. He reached the summit around 10:00am and 11:00am BST on May 21, 2013, and hoisted the flag of Bangladesh on the apex of the world. Descending from Mount Everest he died. The accident might have occurred a few hours after he had reached the peak.
Dimitar Ilievski - Murato was an alpinist from SR Macedonia representing SFR Yugoslavia, the first Macedonian ever to climb the highest peak of the world, Mount Everest. He died on the descent of Mt. Everest.

Andrew Comyn "Sandy" Irvine was an English mountaineer who took part in the 1924 British Everest Expedition, the third British expedition to the world's highest mountain, Mount Everest.

Matthias Kuhle was a German geographer and professor at the University of Göttingen. He edited the book series Geography International published by Shaker Verlag.

George Herbert Leigh Mallory was an English mountaineer who took part in the first three British expeditions to Mount Everest in the early 1920s.

Yasuko Namba was the second Japanese woman to reach all of the Seven Summits. Namba worked as a businesswoman for Federal Express in Japan, but her hobby of mountaineering took her all over the world. She first summited Kilimanjaro on New Year's Day in 1982, and summited Aconcagua exactly two years later. She reached the summit of Denali on July 1, 1985, and the summit of Mount Elbrus on August 1, 1992. After summiting the Vinson Massif on December 29, 1993 and the Carstensz Pyramid on November 12, 1994, Namba's final summit to reach was Mount Everest. She signed on with Rob Hall's guiding company, Adventure Consultants, and reached the summit in May 1996, but died during her descent in the 1996 Mount Everest disaster.

Tomas Kenneth Olsson was a Swedish adventurer and extreme skier. He was born in Kristinehamn but grew up in Borås. He took an engineering degree at Linköping University in 2001, after which he moved to Chamonix in France to focus on skiing. He specialized in skiing down some of the world's highest and steepest mountains. He had gone from the top of Aconcagua in Argentina, Lenin Peak in Kyrgyzstan, Muztagh Ata and Kuksay Peak in China and Cho Oyu in Tibet.

Takashi Ozaki was a Japanese mountaineer. He is known for having made the first ascent of Mount Everest's north face and the first ascent of Myanmar's Hkakabo Razi.

Jozef Psotka, was a Slovak mountaineer, at that time the oldest person in the world who reached the summit of Mount Everest without oxygen.

Hannelore Schmatz was a German mountaineer who was the fourth woman to summit Mount Everest. She collapsed and died as she was returning from summiting Everest via the southern route; Schmatz was the first woman and first German citizen to die on the upper slopes of Everest.

David Sharp was an English mountaineer who died near the summit of Mount Everest. His death caused controversy and debate because he was passed by a number of other climbers heading to and returning from the summit as he was dying, although a number of others tried to help him.

Min Bahadur Sherchan was a Nepalese mountaineer and former British Gurkha soldier. In 2008, the 76 year old became the oldest climber to summit Mount Everest. He lost the record five years later to 80 year old Japanese mountaineer Yuichiro Miura. Sherchan died at Everest Base Camp on 6 May 2017 while trying to reclaim his title.

Pasang Lhamu Sherpa was the first Nepalese woman to climb the summit of Mount Everest.

Joe Tasker was a British climber, active during the late 1970s and early 1980s. He died while climbing Mount Everest.

Shailendra Kumar Upadhyay was a Nepalese politician. He was Minister of Foreign Affairs for Nepal from 1986 to 1990. He was Nepal's Ambassador and Permanent Representative to the United Nations from 1972 to 1978. He also held positions such as Defense Minister, Interior Minister, and the King's Royal Adviser.

Maurice Wilson MC was a British soldier, mystic, mountaineer and aviator who is known for his ill-fated attempt to climb Mount Everest alone in 1934.