1957–58 Northampton Town F.C. season

The 1957–58 season was Northampton Town's 61st season in their history and the thirtieth consecutive season in the regionalised third tier of English football, the Third Division South, before a revamping of the league pyramid. The following season, teams in the top half of the division would be placed in the national Football League Third Division, while the teams placed in the bottom half would be find themselves effectively relegated to the newly constructed Football League Fourth Division. Alongside competing in Division Three South, the club also participated in the FA Cup.