Tisha or Tishah is the Hebrew word for the number nine, as in Tisha B'Av (= 9th of the month Av), an annual fasting day in Judaism.
Tisha is a given name and surname. It is also a diminutive of the Russian masculine name Тихон (Tikhon). Notable persons with that name include:
People with the given name Tisha Abundo (born 1949), Philippine sports commissioner Tisha Campbell-Martin (born 1968), American actress and singer Tisha Martin (21st century), British actress and singer Tisha Sterling (born 1944), American actress Tisha Terrasini Banker (born 1973), American actress
Mononymous person Nusrat Imrose Tisha, Bangladeshi actress and model
See also Tish Trisha Letitia "Toilet Tisha", a song from the OutKast album Stankonia