Rabi may refer to:
- Rabi crop, spring harvest in India and Pakistan
- Rabi cycle, in physics is the cyclic behaviour of a two-state quantum system in the presence of an oscillatory driving field. See: Isidor Isaac Rabi
- Rabi Island, volcanic island in northern Fiji
- Rabi Council of Leaders, municipal body administering Rabi Island
- Rabi problem, concerns the response of an atom to an applied harmonic electric field, with an applied frequency very close to the atom's natural frequency
- Rabi or Lavi, character from the D. Gray-man manga series
- Rabi, one of the three main characters from Madō King Granzort
- Rabī or Lavie, character from the Sgt. Frog anime series
- Rábí, castle in the Czech Republic
- Rabí, village in the Czech Republic
- Räbi, village in Estonia
- Rabi, Panchthar, a Village Development Committee in Nepal
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