Mustapha Cassiem (born 19 March 2002) is a South African field hockey player who plays as a forward for the South African national team.

His brother Dayaan also is a forward for the national hockey team.

[3] Cassiem made his debut for the outdoor South African national team in February 2020 in a test match against the United States.

He was part of the South African team that competed in the 2020 Summer Olympics.

This biographical article relating to a South African field hockey figure is a stub.