GALLERY: Past weekend's sporting pictures
According to SuperSport.com, Hare will take up his new post in mid-May.
He will replace Andre Both, who is retiring from the position in charge of club, schools and other amateur activities at the union.
Hare, 50, played 176 games (129 as captain) at scrumhalf for the-then Western Transvaal (now Leopards).
He also coached the Leopards 'A' team, their under-13 Craven Week team as well as their Under-19's.