Tov or TOV may refer to:
- Tales of Vesperia, a video game which is the tenth mothership title in the Tales series.
- Tolman–Oppenheimer–Volkoff equation, describing hydrostatic equilibrium in general relativity
- Tolman–Oppenheimer–Volkoff limit, the maximum mass of a neutron star, derived from the equation
- The Hebrew word meaning "good"
- Mazel tov, a Hebrew expression meaning congratulations
- Töv, one of the 21 provinces of Mongolia