A train depot is where trains are stabled and maintained. In Singapore, train depots support the Mass Rapid Transit (MRT) and Light Rail Transit (LRT) lines which form the backbone of the local rapid transit network. They are essential facilities for train operations, with every train line being served by at least one depot.
Train Depots usually come with the following facilities:
- Administration building (with control centres)
- Train maintenance workshop
- Train stabling areas
- Locomotive stabling & workshop
- Permanent way workshop
- Train wash
- Paint shop
- Test track
Here is a list of train depots in Singapore:
| Depot | Year started | Location |
| North South Line | ||
| Bishan Depot | 1987 | Bishan Road |
| Ulu Pandan Depot | 1988 | Toh Tuck Avenue |
| East West Line | ||
| Ulu Pandan Depot | 1988 | Toh Tuck Avenue |
| Changi Depot | 1989 | Koh Sek Lim Road |
| Tuas Depot | 2016 | Tuas West Road |
| East Coast Integrated Depot (Future) | 2026 | New Upper Changi Road |
| North East Line | ||
| Sengkang Depot | 2003 | Sengkang East Avenue |
| Circle Line | ||
| Kim Chuan Depot | 2008 | Kim Chuan Road |
| Downtown Line | ||
| Gali Batu Depot | 2015 | Woodlands Road |
| Tai Seng Facility Building | 2013 | Bartley Road East |
| East Coast Integrated Depot (Future) | 2026 | New Upper Changi Road |
| Thomson-East Coast Line | ||
| Mandai Depot | 2019 | Mandai Road |
| East Coast Integrated Depot (Future) | 2026 | New Upper Changi Road |
| Jurong Region Line | ||
| Tengah Depot (Future) | 2026 | Tengah area |
| Cross Island Line | ||
| Changi East Depot (Future) | 2029 | Changi East area |
| CRL West Depot (To Be Announced) | TBA | Raffles County Club area |
| Bukit Panjang LRT | ||
| Ten Mile Junction Depot | 1999 | Woodlands Road |
| Sengkang & Punggol LRT | ||
| Sengkang Depot | 2003 | Sengkang East Avenue |
| Other Rail Facilities | ||
| Singapore Rail Test Centre | 2023 | Jalan Ahmad Ibrahim |