| Marcel Haëntjens | |
| Birth Date: | 24 June 1869 |
| Birth Place: | Saint-Corneille, Second French Empire |
| Death Place: | Paris, France |
| Nationality: | French |
Marcel Marie Louis Haëntjens (24 June 1869 – 10 June 1915) was a French croquet player.[1] He competed at the 1900 Summer Olympics in both the one ball singles and the two ball singles and did not finish in either.[2]