"Yaz" may mean:
*the Yaz culture
*Tofino Airport, the IATA code for the airport in Tofino, British Columbia, Canada
*the oral contraceptive Yaz
;in popular culture
*Carl Yastrzemski, a member of the Baseball Hall of Fame
*Yazoo (band), an English electropop band (known as Yaz in the U.S.)
*Yaz Pistachio, a female character from the comic strip ''Bloom County''