Nizar Knioua (born June 8, 1983) is a Tunisian professional basketball player.
Knioua has played pro club basketball with Stade Nabeulien in the Tunisian Basketball League.
Tunsian national team
Knioua was a member of the senior men's Tunisian national basketball team that finished third at the 2009 FIBA Africa Championship, to qualify for the country's first FIBA World Championship. Providing depth off the bench, Knioua scored 16 points and grabbed 15 rebounds, while playing in eight games for the Tunisians during the tournament. He has also competed for the Tunisians in the 2007 FIBA Africa Championship.