Olga may refer to:

People and fictional characters

* Olga (name), a given name, including a list of people and fictional characters named Olga or Olha * Michael Algar (born 1962), English singer also known as "Olga"

Places

Russia

* Olga, Russia, an urban-type settlement in Primorsky Krai * Olga Bay, a bay of the Sea of Japan in Primorsky Krai * Olga (river), Primorsky Krai

United States

Olga, Florida Olga is an unincorporated community and census-designated place (CDP) in Lee County, Florida, United States. The population was 1,952 at the 2010 census, up from 1,398 at the 2000 census. It is part of the Cape Coral-Fort Myers, Florida Metropolit ...

, an unincorporated community and census-designated place * Olga, Kentucky, an unincorporated community * Olga, Missouri, an unincorporated community *

Olga, Washington Olga is a waterfront unincorporated community on Orcas Island Orcas Island () is the largest of the San Juan Islands of the Pacific Northwest, which are in the northwestern corner of San Juan County, Washington. History and naming of the is ...

, an unincorporated community * Olga Bay, Alaska, a bay on the south end of

Kodiak Island Kodiak Island ( Alutiiq: ''Qikertaq''), is a large island on the south coast of the U.S. state of Alaska, separated from the Alaska mainland by the Shelikof Strait. The largest island in the Kodiak Archipelago, Kodiak Island is the second la ...

* Olga, a neighborhood of

South Pasadena, California South Pasadena is a city in Los Angeles County, California, United States. As of the 2010 census, it had a population of 25,619, up from 24,292 at the 2000 census. It is located in the West San Gabriel Valley. It is 3.42 square miles in area an ...

Elsewhere

* Kata Tjuta, Northern Territory, Australia, also known as the Olgas, a group of domed rock formations ** Mount Olga, the tallest of these rock formations * Olga, Greece, a settlement *

304 Olga 3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious or cultural significance in many societie ...

, a main belt asteroid

Arts and entertainment

* ''Olga'' (opera), a 2006 Brazilian opera about Olga Benário Prestes * ''Olga'' (2004 film), a 2004 Brazilian biopic of Benário * Olga (2021 film), a Franco-Ukrainian-language Swiss drama * Olga TV, a British independent television production company * On-line Guitar Archive, a former online resource for guitar chords and tablature

Other uses

* OLGA (technology), an oil and gas simulator * Tropical Storm Olga, the name of several tropical cyclones * , a German coaster in service 1927–59 * Olga (horse), an equine recipient of the Dickin Medal *

Führerhauptquartier Olga Führerhauptquartier Olga was a bunker facility part built near the town of Orsha in the Soviet Union during World War II. The facility was built by the organization Todt on the road near Orsha, some 200 kilometers northeast of Minsk, between J ...

, an unfinished German World War II bunker facility planned for Hitler's use near Orsha, Soviet Union