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, an unincorporated community and census-designated place Olga, Kentucky, an unincorporated community Olga, Missouri, an unincorporated community Olga, Washington, an unincorporated community Olga Bay, Alaska, a bay on the south end of Kodiak Island Olga, a neighborhood of South Pasadena, California
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, 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 List of storms named Olga, the name of several tropical cyclones , a German coaster in service 1927–59 Olga (helicopter), an S-64 Skycrane that topped the CN Tower in Toronto Olga (horse), an equine recipient of the Dickin Medal Führerhauptquartier Olga, an unfinished German World War II bunker facility planned for Hitler's use near Orsha, Soviet Union Organisation of Lesbian and Gay Activists, a historical LGBT rights organization in South Africa.
See also Oga (disambiguation)