| Club: | Chelsea |
| Season: | 1906–07 |
| Manager: | John Tait Robertson (until Nov 1906) William Lewis |
| Chairman: | Claude Kirby |
| Owner: | Gus Mears |
| Stadium: | Stamford Bridge |
| League: | Second Division |
| League Result: | 2nd |
| Cup1: | FA Cup |
| Cup1 Result: | First Round |
| League Topscorer: | George Hilsdon (27) |
| Season Topscorer: | George Hilsdon (27)[1] |
| Largest Win: | 9–2 v Glossop North End |
| Largest Loss: | 3–6 v Bradford City |
| Highest Attendance: | |
| Lowest Attendance: | |
| Pattern B1: | _chelsea1905h |
| Pattern So1: | _2bluestripes |
| Leftarm1: | 96C5A2 |
| Body1: | FFFFFF |
| Rightarm1: | 96C5A2 |
| Shorts1: | FFFFFF |
| Socks1: | 000000 |
| Pattern So2: | _2bluestripes |
| Leftarm2: | 8B0000 |
| Body2: | 8B0000 |
| Rightarm2: | 8B0000 |
| Shorts2: | FFFFFF |
| Socks2: | 000000 |
| Prevseason: | 1905–06 |
| Nextseason: | 1907–08 |
The 1906–1907 season was Chelsea Football Club's second competitive season and second year in existence. The club finished as runners-up in the Second Division to secure promotion to the top-flight.