Moonlighting may refer to:
- Side job, a job taken in addition to one's primary employment
- Moonlighting (movie), a 1982 drama movie by Jerzy Skolimowski
- Moonlighting (TV series), 1985–1989, starring Bruce Willis and Cybill Shepherd
- "Moonlighting" (NCIS), a television episode
- Moonlighting (The Rippingtons album), 1986
- Moonlighting: Live at the Ash Grove, an album by Van Dyke Parks, 1998
- Moonlighting: The Anthology, an album by Roger Daltrey, 2005
- "Moonlighting" (Leo Sayer song), 1975