| Club: | Chelsea |
| Season: | 1934–35 |
| Manager: | Leslie Knighton |
| Chairman: | Claude Kirby |
| Stadium: | Stamford Bridge |
| League: | First Division |
| League Result: | 12th |
| Cup1: | FA Cup |
| Cup1 Result: | Third round |
| League Topscorer: | Dick Spence (19) |
| Season Topscorer: | Dick Spence (19) |
| Largest Win: | 7–1 v Leeds United |
| Largest Loss: | 0–6 v Liverpool |
| Highest Attendance: | |
| Lowest Attendance: | |
| Pattern B1: | _chelsea1907h |
| Pattern So1: | _2bluestripes |
| Leftarm1: | 0000FF |
| Body1: | FFFFFF |
| Rightarm1: | 0000FF |
| Shorts1: | ffffFF |
| Socks1: | 000000 |
| Pattern So2: | _2bluestripes |
| Leftarm2: | FF0000 |
| Body2: | FF0000 |
| Rightarm2: | FF0000 |
| Shorts2: | FFFFFF |
| Socks2: | 000000 |
| Prevseason: | 1933–34 |
| Nextseason: | 1935–36 |
The 1934–35 season was Chelsea Football Club's twenty-sixth competitive season.