Our Thing may refer to:
- Cosa Nostra (literally Our Thing), an organized crime group
- American Mafia, also sometimes known as "Our Thing", an organized crime group
- Our Thing (album), an album by Joe Henderson
- "Our Thing", a song by Elliott Smith, a non-album track from XO
- UnserDing (Our Thing), a radio program produced by German broadcaster Saarländischer Rundfunk