| Type: | Bishop |
| Honorific-Prefix: | Most Reverend |
| Raphael Michael Fliss | |
| Bishop of Superior | |
| Church: | Catholic Church |
| Diocese: | Diocese of Superior |
| Appointed: | December 20, 1979 |
| Term: | June 27, 1985 - June 28, 2007 |
| Predecessor: | George Albert Hammes |
| Successor: | Peter F. Christensen |
| Ordination: | May 26, 1956 |
| Consecration: | December 20, 1979 |
| Consecrated By: | Bishop George Albert Hammes |
| Birth Date: | 25 October 1930 |
| Birth Place: | Milwaukee, Wisconsin, U.S. |
| Nationality: | American |
| Religion: | Catholic Church |
| Parents: | Paul P. and Valeria (Kosobucki) Fliss |
| Partner: | --> |
| Occupation: | Catholic Bishop Emeritus |
| Previous Post: | Rector St. John Cathedral, Milwaukee |
| Alma Mater: | Catholic University of America, Lateran University |
Raphael Michael Gabriel Fliss (October 25, 1930 – September 21, 2015) was an American prelate of the Roman Catholic Church who served as Bishop of the Diocese of Superior, in Superior, Wisconsin from 1985 to 2007.
Bishop Fliss was born in Milwaukee, Wisconsin on October 25, 1930. He received his licentiate in theology at Catholic University of America. He was ordained May 26, 1956 and served as a priest in the Roman Catholic Archdiocese of Milwaukee. He received his doctorate from Lateran University in Rome in 1965.
He became Coadjutor Bishop of Superior on November 6, 1979, and was consecrated on December 20, 1979.[1] On June 27, 1985 he became Bishop of Superior, appointed by Pope John Paul II.[2]
On June 28, 2007 Bishop Fliss retired.[3] He died on September 21, 2015.[4]