| Type: | Bishop |
| François Lemasle | |
| Honorific Suffix: | MEP |
| Vicar Apostolic of Huế Titular Bishop of Teuchira | |
| Church: | Roman Catholic Church |
| Archdiocese: | Huế |
| See: | Diocese of Teuchira |
| Term Start: | 4 February 1937 |
| Term End: | 26 September 1946 |
| Predecessor: | Alexandre Chabanon (Huế) Johann Baptist Hierl (Teuchira) |
| Successor: | Jean-Baptiste Urrutia (Huế) |
| Ordination: | 26 June 1898 |
| Ordained By: | Alexandre Cardot |
| Consecration: | 27 May 1937 |
| Consecrated By: | Ange-Marie Gouin |
| Birth Name: | François-Arsène-Jean-Marie-Eugène Lemasle |
| Birth Date: | 19 December 1874 |
| Birth Place: | Servon, Manche, France |
| Death Place: | Saigon, French Cochinchina, French colonial empire |
François-Arsène-Jean-Marie-Eugène Lemasle (19 December 1874 – 26 September 1946) was a French Roman Catholic prelate and missionary. He was ordained a deacon on 5 March 1898 by, and was ordained a priest on 26 June 1898 by Cardot as well.[1] On 4 February 1937, Lemasle was appointed as the Vicar Apostolic of the Archdiocese of Huế and the Titular Bishop of the Diocese of Teuchira. Lemasle was consecrated a bishop on 27 May 1937 by .