The Bukit Mertajam railway station is a Malaysian railway station located in Bukit Mertajam in the Central Seberang Perai District of the state of Penang.
The station is located in the town of Bukit Mertajam, with access available from the sides of Jalan Permatang Rawa (Route P12) or Jalan Padang Lalang (Route P18). As the station is close to the old town centre, major landmarks of the town can be accessible from here. The station is also close to the commercial area of Bandar Perda.
The station not only serves Bukit Mertajam, but also the town of Kulim, Kedah adjacent Bukit Mertajam along the Penang-Kedah state border.
The station is served by electric train services of Keretapi Tanah Melayu (KTM), mainly the KTM Komuter Northern Sector services on the Butterworth-Ipoh Line and Padang Besar-Butterworth Line, and also KTM ETS inter-city trains.
The station is one of three stations where both KTM Komuter Northern Sector lines overlap in Penang, hence making transfers possible between these two lines, and the preferred interchange station as it is the first station where both lines overlap. Prior to the extension to , the station was the northern terminus of the Padang Rengas Komuter Line (now Butterworth-Ipoh Line).
The station was initially served by KTM Intercity services. Upon completion of the double tracking and electrification of the railway lines to and Butterworth, KTM Intercity services were entirely replaced by ETS and subsequently Komuter services