The Episcopal Church in Wyoming is the diocese of the Episcopal Church in the United States of America with jurisdiction over the state of Wyoming, except for one congregation in western Wyoming which is included in the Episcopal Diocese of Idaho. It was established in 1887 and is in Province VI. Its cathedral, St Matthew's Episcopal Cathedral is in Laramie while the diocesan offices are in Casper.

Ethelbert Talbot was the fifteenth presiding bishop of the Episcopal Church. He is credited with inspiring Pierre de Coubertin to coin the phrase, "The important thing in the Olympic Games is not so much the winning but taking part, for the essential thing in life is not conquering but fighting well."