Arumugam s/o Vengatarakoo is a Malaysian politician and who served as Member of the Kedah State Executive Council (EXCO) in the Pakatan Rakyat (PR) state administration under Menteri Besar Azizan Abdul Razak and Member of the Kedah State Legislative Assembly (MLA) for Bukit Selambau from March 2008 to his resignation in February 2009.
Arumugam was elected in the 2008 election as an independent, but immediately joined the People's Justice Party in the new Pakatan Rakyat coalition government of Kedah. He was appointed to the Executive Council to represent Kedah's Indian community in the state government. However, in February 2009, Arumugam resigned from the Executive Council and the State Assembly, triggering a by-election.
Before entering politics, Arumugam was a member of the Royal Malaysian Air Force.
Arumugam has served as Merbok PKR Branch Chief from 2022 to 2025.