The 2005 V-League, also known as the 2005 Number One V-League (Vietnamese: Giải bóng ÃÂá Vô ÃÂá»Âch Quá»Âc gia Number One 2005) for sponsorship reasons, was the 22nd season of the V.League 1, the top Vietnamese professional league for association football clubs, since its establishment in 1980.
ÃÂá»Âng Tâm Long An won their first title in this season, displacing two-time champions Hoàng Anh Gia Lai.
There were two teams relegated last season to the 2005 Vietnamese First League. Thá» Công and Ngân hàng ÃÂông àThép Pomina, were relegated due to them finishing 11th and 12th respectively the previous season.
Two teams were promoted from the 2004 Vietnamese First League: Cảng Sài Gòn, who won the title and returned to V-League after a one-year absence, and Hòa Phát HàNá»Âi, who finished second, playing in the V-League for the first time.