Loganathan Arumugam (15 July 1952 – 4 June 2007), better known as Loga, was a Malaysian singer who was one of the founding members of the band Alleycats. Loga was one of the lead singers for Alleycats along with his elder brother David. Datuk Loganathan Arumugam died from lung cancer at the Mount Miriam Hospital on 4 June 2007. He left behind 2 children, Vigneshwaran Loganathan and Priyadashini Loganathan, and his wife, Susan Lovie. Datuk Loganathan Arumugam was conferred the Darjah Indera Mahkota Pahang (DIMP) award which carries the title of "Datuk" in conjunction with Sultan Ahmad Shah of Pahang's 74th birthday on 24 October 2008.