| Manager: | Jimmy Scoular |
| Chairman: | Fred Dewey |
| League Result: | 13th |
| League Topscorer: | Ivor Allchurch (15) |
| Season Topscorer: | Ivor Allchurch (19) |
| Cup1 Result: | 3rd round |
| Cup2 Result: | 2nd round |
| Cup3 Result: | Quarter-finals |
| Cup4 Result: | Winners |
| Average Attendance: | 10,588 |
| Highest Attendance: | 16,911 (v Ipswich Town, 22 August 1964) |
| Lowest Attendance: | 7,427 (v Northampton, 6 February 1965) |
| Pattern La1: | _whiteborder |
| Pattern B1: | _whitecollar |
| Pattern Ra1: | _whiteborder |
| Pattern So1: | _color_2_stripes_blue |
| Leftarm1: | 0000ff |
| Body1: | 0000ff |
| Rightarm1: | 0000ff |
| Shorts1: | ffffff |
| Socks1: | ffffff |
| Nextseason: | 1965–66 |
The 1964–65 season was Cardiff City F.C.'s 38th season in the Football League. They competed in the 22-team Division Two, then the second tier of English football, finishing thirteenth.
The season also saw the club compete in European competition for the first time, reaching the semi-finals of the European Cup Winners Cup before being beaten by Spanish side Real Zaragoza.