John Vertin | |
|---|---|
| Bishop of Sault Sainte Marie and Marquette | |
 | |
| Church | Catholic Church |
| See | Diocese of Sault Sainte Marie and Marquette |
| Appointed | May 16, 1879 |
| Term ended | February 26, 1899 (his death) |
| Predecessor | Ignatius Mrak |
| Successor | Frederick Eis |
| Orders | |
| Ordination | August 31, 1866 by Frederic Baraga |
| Consecration | September 14, 1879 by Michael Heiss |
| Personal details | |
| Born | July 14, 1844 |
| Died | February 26, 1899 (aged 54) Marquette, Michigan, US |
| Nationality | Slovenian |
| Education | Saint Francis de Sales Seminary |
John Vertin (July 17, 1844 – February 26, 1899) was a Slovenian-born American prelate of the Roman Catholic Church. He served as the third bishop of the Diocese of Sault Sainte Marie and Marquette in Michigan from 1879 until his death in 1899.