Hanko may refer to
Places Hanko, Finland, town and municipality Hanko Peninsula, Finland Hankø, an island in the Oslo Fjord in Norway The asteroid 2299 Hanko
Other uses August Hanko (military personnel), German First World War flying ace August Hanko (politician), Estonian politician Hanko (stamp), a Japanese signature stamp Hanko Sushi, a sushi restaurant chain founded in Hanko, Finland Elton Ilirjani, an Albanian-American model also known as Hanko
See also Gangut (disambiguation), the Russian transliteration of Hangö udd Hanco, a given name Hankou, a district of Wuhan, China