| Season: | 1905 - 06 |
| Manager: | No manager |
| Stadium: | No home stadium |
| Cup1 Result: | Winners |
| Cup2 Result: | Winners |
| League Topscorer: | — |
| Season Topscorer: | Pedro Parages (3) |
| Largest Loss: | Unbeaten in competitive matches |
| Pattern B1: | _RM1902b |
| Pattern Sh1: | _RM1902 |
| Pattern So1: | _rmcf1902h |
| Leftarm1: | FFFFFF |
| Body1: | FFFFFF |
| Rightarm1: | FFFFFF |
| Shorts1: | FFFFFF |
| Socks1: | 000000 |
| Pattern B2: | _RM1902a |
| Pattern So2: | _rmcf1902h |
| Leftarm2: | FFFFFF |
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| Shorts2: | 006699 |
| Socks2: | 000000 |
| Nextseason: | 1906–07 |
The 1905 - 06 season was Madrid Football Club's 4th season in existence. The club played three friendly matches including their first international match against French club Gallia FC. They also played in the Campeonato de Madrid (Madrid Championship) and the Copa del Rey. Madrid FC won both competitions becoming the first club to successfully defend both titles.
See main article: Campeonato Regional Centro.
See main article: 1906 Copa del Rey.