Testarossa or Testa rossa is an Italian word meaning redhead, which may also refer to:
- Ferrari Testarossa, an Italian sports car from the 1980s and '90s
- Ferrari TR (Testa Rossa), an Italian sports car from the 1950s and '60s
- Ferrari Monza 500 TR (Testa Rossa), an Italian race car from 1954
- Fate Testarossa, a fictional character in the anime series Magical Girl Lyrical Nanoha
- Teletha Tessa Testarossa, a fictional character from the light novel, manga, and anime series Full Metal Panic!