| League Result: | 15th |
| League Topscorer: | Ivor Allchurch (12) |
| Season Topscorer: | Mel Charles (17) |
| Cup1 Result: | 3rd round |
| Cup2 Result: | 2nd round |
| Cup3 Result: | Runners-up |
| Average Attendance: | 13,782 |
| Highest Attendance: | 25,134 (v Manchester City, 28 August 1963) |
| Lowest Attendance: | 8,066 (v Charlton, 7 March 1964) |
| Pattern La1: | _whiteborder |
| Pattern B1: | _whitecollar |
| Pattern Ra1: | _whiteborder |
| Pattern So1: | _color_2_stripes_blue |
| Leftarm1: | 0000ff |
| Body1: | 0000ff |
| Rightarm1: | 0000ff |
| Nextseason: | 1964–65 |
The 1963–64 season was Cardiff City F.C.'s 37th season in the Football League. They competed in the 22-team Division Two, then the second tier of English football, finishing fifteenth.