| Club: | Yokohama F. Marinos |
| Season: | 2011 |
| Manager: | Kazushi Kimura |
| Mgrtitle: | Manager |
| Chairman: | Akira Kaetsu |
| Chrtitle: | Chairman |
| League: | J. League Division 1 |
| League Result: | 5th |
| Cup1: | Emperor's Cup |
| Cup1 Result: | Semi-finals |
| Cup2: | J. League Cup |
| Cup2 Result: | Quarter-finals |
| Pattern La1: | _yfm11h |
| Pattern B1: | _yfm11h |
| Pattern Ra1: | _yfm11h |
| Pattern Sh1: | _ned10A |
| Socks1: | f00 |
| Pattern La2: | _F-MARINOS 11a |
| Pattern B2: | _yfm11a |
| Pattern Ra2: | _F-MARINOS 11a |
| Pattern Sh2: | _F-MARINOS 11a |
| Socks2: | E0FC41 |
| Prevseason: | 2010 |
| Nextseason: | 2012 |
The 2011 Yokohama F. Marinos season was Yokohama F. Marinos's 19th season in J. League Division 1 and 32nd season overall in the top flight (counting the Japan Soccer League and participation in the inaugural J. League Cup). It also includes the 2011 J. League Cup and 2011 Emperor's Cup.
As of March 7, 2011 (captain) (vice-captain)(vice-captain) (vice-captain)(vice-captain)(captain)(captain)
See main article: 2011 Emperor's Cup.