1951–52 Cardiff City F.C. season

The 1951–52 season was Cardiff City F.C.'s 25th season in the Football League. They competed in the 22-team Division Two, then the second tier of English football, finishing second, winning promotion to Division One.

Welsh Cup
After a 3–1 victory over Milford United, Cardiff were eliminated in the sixth round by Merthyr Tydfil.