Posthumous may refer to:
- Posthumous award, an award, prize or medal granted after the recipient's death
- Posthumous publication, publishing of creative work after the author's death
- Posthumous (album), by Warne Marsh, 1987
- Posthumous (EP), by The Banner, 2001
- Posthumous (2014 film), an American-German romantic comedy
- Posthumous (upcoming film), an Australian thriller film