List of Singapore MRT and LRT rolling stock

The rolling stock on Singapore's Mass Rapid Transit (MRT) and Light Rail Transit (LRT) includes several models of electric multiple units and people mover systems respectively. They are primarily operated by SBS Transit and SMRT Trains.

Work trains
SMRT Trains was known to use the following vehicles for maintenance of way as of 2015:

In addition, SBS Transit has used a two-car MFV supplied by a joint venture between Plasser and Theurer and Speno and a railgrinder from Harsco and the Land Transport Authority is known to have procured multi-function vehicles and railgrinders from MERMEC of Italy and Harsco respectively for the Downtown Line and Thomson–East Coast Line,  general maintenance vehicles for the Downtown Line from Gemac Engineering Machinery, as well as Bo-Bo battery-electric locomotives from CRRC Zhuzhou Locomotive. Engineering trains are also known to be interchangeable across different lines as shown with photos of a transfer of a multi-function vehicle between Bishan Depot and Kim Chuan Depot.

Contractors such as Gammon Construction are also known to have brought in their own work trains such as tampers for trackwork projects; SMRT used up to 14 road-rail vehicles provided by Gammon during the sleeper replacement from 2013 to 2016.