Tasis may refer to:
People Tasis (rapper), Finnish rapper Tasis Petridis (born 1966), Australian kickboxer and boxer
Other TASiS, a version of the disk operating system iS-DOS TASIS Schools, a Swiss foundation which operates a group of four international schools: TASIS Dorado, in Puerto Rico TASIS England, in Thorpe TASIS Portugal, in Linhó TASIS Switzerland, in Montagnola Sudan Founding Alliance, political alliance and organization led by the Rapid Support Forces