| Clubname: | UD Melilla B |
| Fullname: | Unión Deportiva Melilla "B" |
| Founded: | 2013 |
| Ground: | La Espiguera, Melilla, Spain |
| Capacity: | 2,000 |
| Chrtitle: | President |
| Mgrtitle: | Head coach |
| League: | Primera Autonómica |
| Season: | 2021–22 |
| Position: | Primera Autonómica, 5th of 6 |
| Pattern B1: | _collarwhite |
| Leftarm1: | 0000FF |
| Body1: | 0000FF |
| Rightarm1: | 0000FF |
| Shorts1: | FFFFFF |
| Socks1: | 0000FF |
| Pattern B2: | _gibraltar1617h |
| Leftarm2: | FF0000 |
| Body2: | FF0000 |
| Rightarm2: | FF0000 |
| Shorts2: | FF0000 |
| Socks2: | FF0000 |
Unión Deportiva Melilla "B" is a Spanish football team based in the autonomous city of Melilla. The reserve team of UD Melilla, the club was refounded in 2013 after a merger with Casino del Real CF, and holds home matches at Estadio La Espiguera, which has a capacity of 2,000 spectators.
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