Roger Joseph Foys is an American prelate of the Roman Catholic Church who served as bishop of the Diocese of Covington in Kentucky from 2002 to 2021.

Pope John Paul II made Foys a prelate of honor in 1986 and a protonotary apostolic in 2001.

Foys was consecrated by Bishop Thomas C. Kelly at the Cathedral Basilica of the Assumption in Covington on July 15, 2002.

Foys came to the Diocese of Covington in the midst of a class action lawsuit concerning the sexual abuse of minors by over 80 diocesan employees, including priests.

In anticipation of the release of the third edition of the Roman Missal and General Instruction of the Roman Missal, Foys issued a decree that discouraged the laity from holding hands during the Pater Noster (or "Our Father") at the celebration of mass.

[11] After an incident at the Lincoln Memorial in Washington, D.C., in January 2019 between students from Covington Catholic High School and Native American activist Nathan Phillips, the diocese and the high school initially released a joint statement condemning the actions of the Covington students.

He apologized to the students, claiming that the diocese was "bullied and pressured into making a statement prematurely."