Gaso may refer to:
Gåsö, an island in the Swedish province Bohuslän GASO, an abbreviation for Georgia Southern University Gasó, another name for Rosarigasino, a rhyming slang language game traditionally associated with the city of Rosario, Argentina Gaso, another name for Kwosso, a ball game played by the Afar people
See also Gašo Knežević (born 1953), a Serbian law scholar