| Alfons Spiessens | |
| Birth Date: | 28 December 1888 |
| Birth Place: | Boom, Belgium |
| Death Place: | Uccle, Belgium |
| Discipline: | Road, track |
| Role: | Rider |
| Proyears1: | 1911 |
| Proteam1: | Alcyon-Dunlop |
| Proyears2: | 1912-1913 |
| Proteam2: | JB Louvet |
| Proyears3: | 1913 |
| Proteam3: | Legnano |
| Proyears4: | 1914 |
| Proteam4: | JB Louvet |
Alfons Spiessens (28 December 1888 in Boom, Belgium – 21 April 1956 in Uccle) was a Belgian cyclist.[1]