Dato’ Thiagarajan K.R. Arumugam (born 3 May 1950), known by his stage name David Arumugam, is a Malaysian musician and singer who is one of the founding members of the band called Alleycats. He is the elder brother of Loganathan Arumugam. On 12 February 2009, David Arumugam was conferred the Darjah Indera Mahkota Pahang (DIMP) award which carries the title of " Dato' " in conjunction with the Sultan of Pahang's 78th birthday on 24 October 2008.