Monotosh Roy (Bengali: মনতোষ রায়; 21 October 1916[1] – 29 June 2004) was an Indian bodybuilder, who held the Mr. Universe title in Group III Amateur Division in 1951.

[6] Roy was born in Gajaria village in Dhaka district, on the banks of Meghna river.

He won the Mr. Universe title in Group III Amateur Division category.

Following his victory at the Mr. Universe competition, he was felicitated at the India House by the Indian High Commissioner.

[citation needed] After his return to India he acted as a trainer in many physical culture clubs.

[4] After his death his multigym is run by his son Moloy Roy, a recipient of the Arjuna Award and eight time Mr. India.