| Club: | Chelsea |
| Season: | 1951–52 |
| Manager: | Billy Birrell |
| Chairman: | Joe Mears |
| Stadium: | Stamford Bridge |
| League: | First Division |
| League Result: | 19th |
| Cup1: | FA Cup |
| Cup1 Result: | Semi-finals |
| League Topscorer: | Roy Bentley and Jimmy D'Arcy (12) |
| Season Topscorer: | Roy Bentley (17) |
| Largest Win: | 5–0 v Middlesbrough |
| Largest Loss: | 1–7 v Aston Villa |
| Highest Attendance: | |
| Lowest Attendance: | |
| Pattern B1: | _whitecollarplain |
| Pattern So1: | _whitetop |
| Leftarm1: | 0000ff |
| Body1: | 0000ff |
| Rightarm1: | 0000ff |
| Socks1: | 000000 |
| Pattern B2: | _whitecollarplain |
| Pattern So2: | _whitetop |
| Leftarm2: | ff0000 |
| Body2: | ff0000 |
| Rightarm2: | ff0000 |
| Socks2: | 000000 |
| Prevseason: | 1950–51 |
| Nextseason: | 1952–53 |
The 1951–52 season was Chelsea Football Club's thirty-eighth competitive season. The club once more struggled in the First Division and finished 19th. In the FA Cup, Chelsea reached the semi-finals for the second time in three years, and once again lost to Arsenal after a replay. Manager Billy Birrell retired at the end of the season and was replaced by Ted Drake.