Serious
- Donna Allen (singer)
- From the Inside (Alice Cooper album)
- Invincible (Five album)
- Jasmine V
- Jme (musician)
- Rockferry
- Scars on Broadway (album)
- Serious (Duran Duran song)
- Serious (Gwen Stefani song)
- Serious (Luther Allison album)
- Serious (Not Going Out)
- Serious (TV series)
- Serious (Whitehead Bros. album)
- Seriousness
- Sirius (disambiguation)