The nominees were announced at the Greenhills Stadium in Randfontein on Friday.
Kekana has been nominated in two categories the Sports Personality of the Year and the Sportsman of the Year, while Mosimane is nominated for the Coach of the Year Category.
Sundowns has also been nominated for the Sports club of the year category for their brilliant showing in the last couple of months.
Masandawana won the the Caf Champions League as well as the Caf Super Cup in continental competitions flying the South African high.
Meanwhile, Banyana Banyana skipper Janine van Wyk has been nominated for the Sports Personality of the Year category.
The Gauteng Sports Awards are set to take place at Silverstar casino on October 1.