Atmospheric entry, or reentry, is the movement of human-made or natural objects as they enter the atmosphere of a planet from outer space.

Reentry may also refer to:

Music Re-Entry (Big Brovaz album) Re-Entry (Marley Marl album) Re-Entry (Techno Animal album) Re-Entry by The Phenomenauts Re-entry, or reentrant tuning, an effect that occurs with a break in the sequence of pitches to which the strings of a stringed instrument are tuned

Science and healthcare Reentry (neural circuitry) in neuroscience Re-entry, or reentrant dysrhythmia, a type of cardiac arrhythmia Skip reentry

Other uses Prisoner reentry, also referred to simply as "reentry", the process by which prisoners who have been released return to the community Re-Entry (dragster), a streamliner dragster

See also Reentrant (disambiguation)