| Honorific-Prefix: | Most Rev. |
| Augustin Dontenwill | |
| Archbishop Of: | Archbishop of Vancouver |
| Province: | British Columbia |
| Diocese: | Archdiocese of Vancouver |
| Enthroned: | 1899 |
| Ended: | 1908 |
| Predecessor: | Paul Durieu |
| Successor: | Neil McNeil |
| Ordination: | 1885 - Priest |
| Consecration: | 1897 - Bishop |
| Other Post: | Superior General of Oblates of Mary Immaculate (1908) |
| Birth Name: | Augustin Dontenwill |
| Birth Date: | 4 June 1857 |
| Birth Place: | Bischwiller, France |
| Death Place: | New Westminster, British Columbia, Canada |
| Nationality: | French |
| Religion: | Roman Catholic |
| Alma Mater: | University of Ottawa |
Augustin Dontenwill (June 4, 1857 - November 30, 1931) was the Roman Catholic Oblates of Mary Immaculate (OMI) priest, who became Archbishop of Vancouver, British Columbia, Canada, from 1899 to 1908.
Augustin Dontenwill was born on June 4, 1857, in Bischwiller, Alsace, France; where he came to the United States, as a child.
In 1885, Augustin Dontenwill became an Oblates of Mary Immaculate priest.
In 1897, Dontenwill became consecrated as bishop and came to New Westminster to become Coadjutor Bishop of New Westminster and by 1899, he became Bishop of New Westminster. In 1908 he resigned as Bishop of New Westminster, to take charge as Superior General of the Oblates of Mary Immaculate.
Dontenwill died on November 30, 1931, as Bishop Emeritus of New Westminster.
In 1908, there was a name change, from Bishop of New Westminster, to Archbishop of Vancouver (the diocese was raised to an archdiocese).