NMSL
National Museum of Sri Lanka
- Abbreviation: NMSL
- Alias: National Museum of Colombo (CNMS, CMS, NMC), National Museum of Natural History, Sri Lanka (NMNHSL, NMSL-NH)
- Inception: 1986
- Location: Sir Marcus Fernando Mawatha, Colombo, Sri Lanka
- Parent body: Department of National Museum
- Other info:
- Wikipedia: National Museum of Colombo