Frank Gerald Singlehurst Brewin (October 21, 1909 – April 21, 1976) was an Indian field hockey player who competed in the 1932 Summer Olympics.

Olympic medal record
Men's field hockey
Representing  India
	1932 Los Angeles	Team competition

In 1932 he was a member of the Indian field hockey team, which won the gold medal. He played one match as back and scored one goal.

He was born in Poona, India.