| Alfons Sweeck | |
| Birth Date: | 15 March 1936 |
| Birth Place: | Keerbergen, Belgium |
| Death Place: | Leuven, Belgium |
| Discipline: | Road |
| Role: | Rider |
| Proyears1: | 1959–1963 |
Alfons Sweeck (15 March 1936 – 13 December 2019) was a Belgian professional cyclist from 1959 to 1962.[1]
He was the grandfather of fellow cyclists Laurens, Diether and Hendrik Sweeck.
Sweeck won a stage of the 1960 Vuelta a España and the general classification of the 1960 Tour of Belgium.