Abdud Dayaan Cassiem (born 1 December 1998) is a South African field hockey player who plays as a forward for the South Africa national team.

[3] He attended Bishops Diocesan College and graduated a few years ago.

His brother Mustapha also is an international hockey player.

[4] He was named the best player at the 2021 Men's Indoor Africa Cup.

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