Olga

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"

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
 * Tropical Storm Olga, the name of several tropical cyclones
 * MV Olga, a German coaster in service 1927–59
 * 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