Yaz is the nickname of:
- Carl Yastrzemski, a long-time member of the Boston Red Sox and a member of the Baseball Hall of Fame
Yaz may also refer to:
- Yaz culture
- YAZ, the IATA code for Tofino Airport in Tofino, British Columbia, Canada
- Yaz, a brand of oral hormonal contraceptive containing drospirenone that may also be used to treat premenstrual dysphoric disorder (PMDD)
- in popular culture
- Yazoo (band), an English electropop band (known as Yaz in the U.S.)
- Yaz Pistachio, a female character from the comic strip Bloom County