The 1930–31 Football League season was Birmingham Football Club's 35th in the Football League and their 18th in the First Division. They finished in 19th position in the 22-team division, five points clear of the relegation places. They also competed in the 1930–31 FA Cup, entering at the third round proper and reaching the final for the first time in the club's history. They lost 2–1 to Second Division club West Bromwich Albion.