Joseph Whiteside (4 August 1906 – 11 October 1990) was an English competition swimmer who represented Great Britain in the Olympics, and England in the British Empire Games, during the late 1920s and early 1930s.

At the 1928 Summer Olympics in Amsterdam, Netherlands, he was a member of the British men's team that finished sixth in the 4×200-metre freestyle relay.

Four years later at the 1932 Summer Olympics in Los Angeles, he finished fifth with the British team in the 4×200-metre freestyle relay.

At the 1930 Empire Games he won the silver medal with the English team in 4×200-yard freestyle relay competition.

This biographical article related to a British swimmer is a stub.