SBK may refer to:
- SBK Records, former record label
- ShoreBank insolvent US community development bank acquired by the Urban Partnership Bank
- Silver Bells Killer
- Superbike World Championship
- SBK: Snowboard Kids, video game
- South Brooklyn Railway, reporting mark
- Triclopyr herbicide, SBK Brushwood Killer in UK
- Sungai Buloh-Kajang Line, metro line
- South Bronx Killas, a fictional gang