Gisla may refer to:
Gísla saga, Old Norse story A variant of the name Gisela: Gisla, 9th-century countess, daughter of Hessi of Liesborn Abbey ( ) Gisla, co-founder of the () Gisla, location on the Isle of Lewis in Ross and Cromarty Gisla Hydro-Electric Scheme Gisla, two Somali units of measurement