LITT may refer to:
- Laser-induced interstitial thermotherapy
- Life in the Tropics, an album by The Rippingtons
Litt is a surname and may refer to:
- Lynne E. Litt, American television writer and producer
- Ryan Litt, Canadian racecar driver
- Scott Litt, American record producer
- Theodor Litt, German philosopher
- Toby Litt, an English writer