Bamunusinghearachchige Don Rampala MBE (14 November 1910 – 20 June 1994), (popularly known as B. D. Rampala) was chief mechanical engineer and later general manager of Sri Lanka Railways. He was the first native Sri Lankan to hold the post of chief mechanical engineer. In 1956, the Institution of Locomotive Engineers in London recognised Rampala as the finest diesel engineer in Asia at the time.