| Sport: | Water polo |
| Birth Date: | 1 February 1961 |
| Birth Place: | Warmond, Netherlands |
Stanislaus ("Stan") van Belkum (born February 1, 1961) is a former water polo player from the Netherlands, who participated in two Summer Olympics. In 1980 he finished in sixth position with the Dutch team. Four years later in Los Angeles Van Belkum once again gained the sixth spot in the final rankings with Holland.