| Clubname: | Betis San Isidro |
| Fullname: | Club Deportivo Betis San Isidro |
| Capacity: | 4,000 |
| Chairman: |  ?? |
| Manager: | ?? |
| League: | 2 Regional |
| Season: | 2019–20 |
| Position: | Primera Regional Grupo 4, 5th |
| Pattern La1: | _white_stripes |
| Pattern B1: | _whitestripes3 |
| Pattern Ra1: | _white_stripes |
| Pattern So1: | _whitehorizontal |
| Leftarm1: | 008000 |
| Body1: | 008000 |
| Rightarm1: | 008000 |
| Shorts1: | ffffff |
| Socks1: | 008000 |
| Leftarm2: | 005000 |
| Body2: | 008000 |
| Rightarm2: | 005000 |
| Shorts2: | 008000 |
| Socks2: | 008000 |
Club Deportivo Betis San Isidro is a Spanish football club based in Madrid, in the namesake community. Founded in 1931, it plays in the segunda regional, holding home games at Estadio Antiguo Canódromo, with a capacity of 4,000 seats.
| Season | Division | Place | Copa del Rey | |
|---|---|---|---|---|
| 1931–04 | Regional | |||
| 2004/05 | Preferente | 14th | ||
| 2005/06 | Preferente | 17th | ||
| 2006/07 | 1ª Aficio. | 11th | ||
| 2007/08 | 1ª Aficio. | 2nd | ||
| 2008/09 | Preferente | 8th | ||
| 2009/10 | Preferente | 6th | ||
| 2010/11 | Preferente | 13th | ||
| 2011/12 | Preferente | 13th | ||
| 2012/13 | Preferente | 17th | ||
| 2014/15 | 1ª Aficio. | 3rd | ||
| 2015/16 | 1ª Aficio. | 3rd | ||
| 2016/17 | Preferente | 15th | ||
| 2017/18 | 1ª Aficio | 3rd | ||
| 2018/19 | 1ª Aficio | 11th | ||
| 2019/20 | 1ª Aficio | 5th | ||
| 2020/21 | 1ª Aficio | current |