2009–10 National First Division, was the season from August 2009 until February 2010, of South Africa's second tier of professional football.
Winner of the playoff stage, and thereby the second promotion to PSL, was the team Mpumalanga Black Aces.
Vasco da Gama and Black Leopards played a two legged tie to determine the 2009–10 NFD champion, and automatic promotion to the PSL.
Vasco da Gama won the tie to become NFD champions, and were promoted to the PSL for the 2010–11 season.
When the first 5 ordinary shots had been completed, there was a winning score of 5–3 to Mpumalanga Black Aces, who thereby had managed to retain their PSL status.