Tasia is a feminine given name. Notable people and fictional characters with the name include:
Real people Tasia Athanasiou, Greek ambassador Tasia Scolinos, American lawyer and public official Tasia Seumanufagai (born 1989), New Zealand rugby league footballer Tasia Sherel, American actress and model Tasia Tanner (born 2002), American freestyle skier Tasia Valenza, American actress Tasia Zalar, Australian actress and musician
Fictional characters Tasia (Mortal Kombat), fictional swordswoman and ninja master in the 2000 game Mortal Kombat: Special Forces Tasia Tamblyn, in the science fiction novel series The Saga of Seven Suns
See also Aajuitsup Tasia (), lake in Qeqqata municipality, Greenland Alejandro Puente Tasias (born 1994), Spanish alpine skier