Arumugam Vijiaratnam (24 August 1921 – 18 February 2016) was the only Singaporean who represented his country in four sports — hockey, cricket, football and rugby — doing so from 1946 to 1956.
He was the first Singaporean engineer.
A top civil servant, Vijiaratnam represented Singapore at the 1956 Melbourne Olympic Games in hockey, where he was instrumental in the 6-1 rout of the United States.