1957–58 Western Football League

Division One

Division One remained at nineteen clubs after Wells City were relegated the previous season, Poole Town joined the Southern League, and two clubs joined:

Division Two

Division Two remained at eighteen clubs after Cinderford Town and Minehead were promoted to Division One, and two new clubs joined:

^{1 The system of using goal average to separate two teams tied on points was used up to and including the 1976–77 season.}

^{2 The points system: 2 points for a win, 1 point for a draw and 0 points for losing.}