Antoinette Uys (born 2 March 1976) is a badminton player from South Africa.

She was the mixed doubles gold medalists at the 2002 African Championships and 2003 All-Africa Games.

Uys competed in badminton at the 2004 Summer Olympics in the mixed doubles with partner Chris Dednam.

They lost to Tsai Chia-Hsin and Cheng Wen-Hsing of Chinese Taipei in the round of 32.

Women's doubles Mixed doubles Mixed doubles Women's doubles Mixed doubles This biographical article relating to South African badminton is a stub.