1972–73 Northern Premier League

[1] The League featured twenty-four teams for the second consecutive season.

The following two clubs left the League at the end of the previous season: The following two clubs joined the League at the start of the season: The system of using goal average to separate two teams tied on points was used up until the 1976–77 season.

Out of the twenty-four clubs from the Northern Premier League, only three teams reached the second round: Second Round Out of the twenty-four clubs from the Northern Premier League, five teams reached the fourth round: Fourth Round Semi-finals Final At the end of the fifth season of the Northern Premier League none of the teams put forward for election received enough votes to be promoted to the Football League.

Ellesmere Port Town resigned the league.

Alongside the four Football League teams facing re-election, a total of ten non-League teams applied for election, two of which were from the Northern Premier League.