The prestigious award was instituted by the Sai Gon Giai Phong newspaper.
Son, a 27-year-old native of Nghe An province who plays for the T&T Hanoi football club, beat his national teammates in the running: defender Vu Nhu Thanh and striker Le Cong Vinh to win the award for the first time.
Becamex Binh Duong Football Club defender Vu Nhu Thanh ranked second for the Silver Ball while striker Le Cong Vinh came third for the Bronze Ball award.
Hanoian striker Do Thi Ngoc Cham, 24, from Hanoi, won the Golden Ball for the first time.
The Silver Ball went to Dao Thi Mien of Hoa Hop Hanoi, while winger Tran Thi Kim Hong from HCM City bagged the Bronze Ball.
Earlier this month, the winners of Junior Footballer and Foreign Player of the Year were announced, with midfielder Pham Thanh Luong of Hanoi ACB and Brazilian striker Almeida Jose De Emidio of SHB Da Nang taking the honours.
The 15th anniversary of the Golden Ball award will be celebrated next year. The first award was won by the national team’s former striker, Le Huynh Duc, in 1995, when he played for former HCM Police team.