A public observatory is an astronomical observatory mainly dedicated to public and educational purposes. It is often supported by a municipality, a school or an astronomical society.

Airdrie Public Observatory is a fully operational, historic astronomical observatory, which is part of the library building in the town of Airdrie, North Lanarkshire, Scotland. There are only four public observatories operating in the United Kingdom, all of which are in Scotland. Airdrie Observatory is the smallest, and second oldest.

Alpine Astrovillage (AAV) is a center for astrophotography and stargazing in the eastern Swiss Alps, high above the valley floor of the Val Müstair in the canton Graubünden. It was founded by Drs. Vaclav & Jitka Ourednik during the International Year of Astronomy 2009. The complete name is Alpine Astrovillage Lü-Stailas. With its geographic location at an altitude above 1,900 metres (6,200 ft) and an exquisite sky quality with minimal light pollution, AAV is a unique place in Central Europe for all astronomical purposes. The program includes multi-day courses in astrophotography and sky observation. In collaboration with schools, AAV offers students the possibility to accomplish, under competent guidance, the practical parts of their matura or Masters projects.

The Astronaut Memorial Planetarium and Observatory, or AMPO, also known as the Eastern Florida State College Planetarium and Observatory, is an astronomical observatory and planetarium at Eastern Florida State College in Cocoa, Florida. The facility consists of a planetarium, public observatory, large-screen movie theater, exhibit halls, multi-media classroom and an art gallery.

Chabot Space and Science Center, located in Oakland, California, is a center for science learning featuring interactive exhibits, planetariums, a large screen theater, hands-on activities and three powerful telescopes.

Coats Observatory is Scotland's oldest public observatory. It is currently closed for refurbishment as part of a 4-year long £42m transformation of the observatory and museum buildings. Located in Oakshaw Street West, Paisley, Renfrewshire, the observatory has been operational since 1 October 1883 and continues to function to this day, offering visitors the opportunity to view the night sky through the powerful telescopes housed within the building. The observatory is currently closed for redevelopment and is due to reopen in 2022.

Custer Observatory is an astronomical observatory owned and operated by Custer Institute. Located in Southold, New York (US), facing Peconic Bay and Shelter Island, Custer's location boasts some of the darkest skies on Long Island.

Fox Park Public Observatory is an astronomical observatory owned and operated by the Eaton County Parks Department and local amateur astronomers. Built in 1999, it is located in Fox Memorial Park near Potterville, Michigan (US).

The Centennial Observatory at the Herrett Center for Arts and Science is a public astronomical observatory located at the College of Southern Idaho in Twin Falls, Idaho, United States. It opened on May 22, 2004 and features one of the world's largest fully wheelchair-accessible public telescopes.

The Killarney Provincial Park Observatory is an astronomical observatory located at the George Lake Campground of Killarney Provincial Park . The Observatory is operated by Ontario Parks and houses two observatory buildings. The original facility contains a 10" telescope with solar filter, ideal for nighttime as well as daytime viewing of the Sun. The newer facility contains a 16" fully automated telescope with a 5" refractor and is ideal for research, astrophotography and public use. Both telescopes are available for Discovery programs as well as private sign-out (self-use) by interested visitors.
The Kopernik Observatory & Science Center (KOSC), is a public observatory in Vestal, New York opened to the public on 16 June 1974 by the Kopernik Society of Broome County to commemorate the 500th anniversary of the birth of the astronomer Nicolaus Copernicus in 1973. Its mission is to offer hands-on investigations and outreach programs for educating all ages about astronomy and science using advanced optical telescopes, computers and other tools. It is the first science laboratory facility in New York State designed for K-12 teachers, students and their families, and has been one of the best-sited and best equipped public observatories in the Northeast United States for nearly the last 40 years.

The Kuffner observatory is one of two telescope-equipped public astronomical observatories situated in Austria's capital, Vienna. It is situated in the West of the city's Ottakring district, on the slope of the Gallitzinberg at 302 m altitude. Originally a private research institution, it was converted into an educational astronomy facility after World War II as buildings and city lights had encroached to a degree that severely hampered scientific nightsky observations. Today the main tasks of the observatory consist in public education on astronomy, operating and preserving the historical equipment, and minor projects in scientific astronomy.

Lake Afton Public Observatory (LAPO) is an astronomical observatory located southwest of Wichita, Kansas in a rural area of Sedgwick County on the north side of Lake Afton. At the heart of the observatory is a 16-inch (410 mm) F/13 Ritchey–Chrétien telescope, with piggyback mounted 6-inch F/8 apochromatic refractor, and 4-inch ED refractor. The observatory offers programs for the public every weekend throughout the year along with various private, and school programs throughout the week.

Martz Observatory is a public, not-for-profit organization devoted to the amateur astronomer. The emphasis of the association is observational astronomy, well-rooted in public education and enjoyment of the starry skies. It was founded by, and eventually named after, Marshal Martz, an amateur astronomer from Jamestown, NY who built the first large telescope ever used at the observatory.

Maynard F. Jordan Observatory is an astronomical observatory owned and operated by University of Maine. Its first telescope was installed at the university in 1901, and was upgraded during the creation of the Emera Astronomy Center in 2014. It is located in Orono, Maine, USA. It is the only public observatory in the state of Maine. Operated by the department of Physics and Astronomy, the eight-inch Alvan Clark telescope is housed under a roll-off roof, next to the more modern PlaneWave CDK20 in its own dome.

The Mills Observatory in Dundee, Scotland, is the first purpose-built public astronomical observatory in the UK. Built in 1935, the observatory is classically styled in sandstone and has a distinctive 7 m dome, which houses a Victorian refracting telescope, a small planetarium, and display areas. The dome is one of two made from papier-mâché to survive in the UK, the other being at the Godlee Observatory.

Otter Creek Observatory is an astronomical observatory, one of two units of the Otter Creek–South Harrison Observatories operated by Jefferson Community and Technical College. It is located at the Otter Creek Outdoor Recreation Area in Meade County, Kentucky, about 25 miles (40 km) southwest of downtown Louisville along the Ohio River.

The Round Tower, formerly Stellaburgis Hafniens, is a 17th-century tower located in central Copenhagen, Denmark, and one of the many architectural projects of Christian IV of Denmark, built as an astronomical observatory. It is most noted for its equestrian staircase, a 7.5-turn helical corridor leading to the platform at the top, and for the expansive views which it affords over Copenhagen.

Sonnenborgh Observatory is an astronomical observatory and museum open to the public, located in Utrecht, Netherlands. It was founded in 1853 as a university observatory and from 1854 until 1897 it was the first home of the Royal Dutch Meteorological Institute.

Stardome Observatory is a public astronomical observatory situated in Maungakiekie/One Tree Hill Domain in New Zealand's largest city, Auckland.

Ten Acre Observatory (TAO) features a 20" f 4.5 Starmaster Telescope and a 13" Coulter Optics Telescope as its primary and secondary viewing instruments. It is open to the public by appointment. Services and use of equipment are at no cost. astronomical observatory It is owned and operated by Nick Lazzaro and is used by the Odyssey Astronomy Club as its primary viewing site. It is located in Tribbey, Oklahoma (USA) and serves the Central Oklahoma Area.
The Theodor Jacobsen Observatory is the on-campus observatory of the University of Washington. Built in 1895, it is the second oldest building on campus and was constructed using the remaining Tenino sandstone blocks from Denny Hall, the oldest and first building on campus. The refracting telescope, enclosed within the dome, has a 6-inch Brashear objective lens on a Warner & Swasey equatorial mount. The observatory also includes a transit room on the west side and a 45-seat classroom, which was built later, on the south side.

Urania Sternwarte is a public observatory in the Lindenhof quarter of Zürich, Switzerland. Its name Urania refers to the muse of astronomy in Greek mythology.

Usuda Star Dome (うすだスタードーム) is a public observatory located in Saku, Nagano, Japan.

Warren Rupp Observatory is an astronomical observatory owned and operated by Richland Astronomical Society. Built in 1985, it is located on the Friendly House Hidden Hollow Camp south of Mansfield, Ohio (USA).