| Clubname: | San Lorenzo de Flumen |
| Fullname: | Unión Deportiva San Lorenzo |
| Founded: | 1968 |
| Capacity: | 1,000 |
| Chairman: |  Cristian Bagüés |
| Manager: | Sergio Valero |
| League: | Regional Preferente |
| Season: | 2018-2019 |
| Position: | 3a. División, 17° |
| Pattern La1: | _yellowshoulders |
| Pattern B1: | _thinyellowsides |
| Pattern Ra1: | _yellowshoulders |
| Pattern Sh1: | _yellowsides |
| Leftarm1: | 228B22 |
| Body1: | 228B22 |
| Rightarm1: | 228B22 |
| Shorts1: | FF0000 |
| Socks1: | 228B22 |
| Pattern La2: | _redshoulders |
| Pattern B2: | _thinredsides |
| Pattern Ra2: | _redshoulders |
| Pattern Sh2: | _yellowsides |
| Leftarm2: | FFFF00 |
| Body2: | FFFF00 |
| Rightarm2: | FFFF00 |
| Shorts2: | FF0000 |
| Socks2: | FFFF00 |
Unión Deportiva San Lorenzo is a Spanish football team based in San Lorenzo del Flumen, Lalueza, in the community of Aragón. Founded in 1968, it plays in Tercera División.
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