The 2012–13 United Counties League season (known as the 2012–13 ChromaSport & Trophies United Counties League for sponsorship reasons) was the 106th in the history of the United Counties League, a football competition in England.
The Premier Division featured 17 clubs which competed in the division last season, along with four new clubs.
Division One featured 14 clubs which competed in the division last season, along with five new clubs: