| Henri Mialaret | |
| Fullname: | Mathias Joseph Ferdinand Jules Henri Mialaret |
| Birth Date: | 2 August 1855 |
| Death Place: | Paris, France |
| Club: | Union des Yachts Français |
| Medaltemplates: | |
| Show-Medals: | yes |
Mathias Joseph Ferdinand Jules Henri Mialaret (2 August 1855 – 25 February 1919) was a French sailor who competed in the 1900 Summer Olympics. He was the crew member of the French boat Favorite 1, which won two silver medals in the races of the 2 to 3 ton class. He also participated in the Open class, but did not finish the race.[1]