| Birth Date: | 21 July 1904 |
| Birth Place: | Catalonia, Spain |
| Death Date: | 1929 (aged 26) |
| Sport: | Athletics |
| Event: | 400–5000 m |
| Club: | RCD Espanyol, Barcelona |
| Pb: | 400 m – 49.8 (1928) 800 m – 1:58.4 (1928) 5000 m – 15:41.6 (1924) |
| Show-Medals: | yes |
Joaquín Miquel Casas (21 July 1904 - 1929) was a Spanish runner.[1] He competed at the 1924 Summer Olympics in the 3000 m and 5000 m and at the 1928 Summer Olympics in the 400 m and 800 m events, but failed to reach the finals.