First Stage

19 participants divided into 3 groups playing double round robin;
8 clubs qualified for quarterfinals, while 6 clubs entered relegation
playoffs, 3 clubs going down
Semifinal (Jun 5, 1991)

• Quang Nam 2-1 Saigon Port

Saigon Port finished 3rd

Final

• Hai Quan (TP Ho Chi Minh) 2-0 Cong an (Hai Phong)

Second Stage

8 participants playing double round robin; top-4 to semifinals

Winners: Quang Nam (Da Nang)