Michael Heiss
| Michael Heiss | |
|---|---|
| Archbishop of Milwaukee | |
| See | Archdiocese of Milwaukee | 
| Installed | September 7, 1881 | 
| Term ended | March 26, 1890 | 
| Predecessor | John Henni | 
| Successor | Frederick Katzer | 
| Other post(s) | Bishop of La Crosse (1868–1880) Coadjutor Archbishop of Milwaukee (1880–1881) | 
| Orders | |
| Ordination | October 18, 1840 | 
| Consecration | September 6, 1868 | 
| Personal details | |
| Born | April 12, 1818 Pfahldorf, Kingdom of Bavaria | 
| Died | March 26, 1890 (aged 71) La Crosse, Wisconsin, US | 
| Denomination | Catholic Church | 
| Education | University of Munich | 
Michael Heiss (April 12, 1818 – March 26, 1890) was a German-born American Catholic prelate who served as Archbishop of Milwaukee from 1881 to 1890. He previously served as the first Bishop of La Crosse (1868–1880).