Stephen Clifford Cox (born 6 January 1956) is a retired racing cyclist from New Zealand, who represented his native country at the 1984 Summer Olympics. There he finished in 37th place in the men's individual road race. Cox won the bronze medal at the 1982 Commonwealth Games in Brisbane, Australia.

In the 2024 King’s Birthday Honours, Cox was appointed an Officer of the New Zealand Order of Merit, for services to cycling.