Railway electrification in Malaysia is a relatively recent development of rail transport in Malaysia. While the first railway in the country dates back to 1885, it was not until 3 August 1995 that the first electrified railway service, KTM Komuter, began operations.
The term "railway electrification" mainly refers to the project to electrify the Keretapi Tanah Melayu's West Coast railway line from Padang Besar to Johor Bahru, combined with the duplication of the single-track line and the elimination of level crossings. As of November 2015, the stretch between Padang Besar and Gemas has been completed, with two electrified train services operating on the stretch: the KTM Komuter and the ETS.
Rapid transit and monorail systems in Malaysia are relatively new (the first of which is the Ampang Line on 16 December 1996); they are designed and built fully electrified and grade separated from the start.