| Personal information | |
|---|---|
| Born | 23 March 1926 Esch-sur-Alzette, Luxembourg |
| Died | 1 April 2003 (aged 77) Luxembourg City, Luxembourg |
| Cycling career | |
| Sport | Cycling |
Marcel Ernzer (23 March 1926 – 1 April 2003) was a Luxembourgish cyclist. He competed in the individual and team road race events at the 1948 Summer Olympics.