George Leo Thomas (born May 19, 1950) is an American prelate of the Catholic Church who has served as archbishop of the Archdiocese of Las Vegas in Nevada since 2023.

[2] Thomas was then named as parish administrator at Sacred Heart in Bellevue and Holy Innocents Mission Church in Duvall, Washington[2] Thomas also performed chaplain work for the King County Correctional Facility, the Seattle City Jail, and the Missionary Sisters of the Sacred Heart center, all in Seattle.

He received his episcopal consecration on January 28, 2000, at St. James Cathedral from Archbishop Alexander Brunett, with Bishops William S. Skylstad and Carlos Sevilla serving as co-consecrators.

[1] John Paul II named Thomas as the tenth bishop of Helena on March 23, 2004; he was installed on June 4, 2004.

[1] In January 2022, Thomas wrote a column asking Catholic politicians who support abortion rights for women to not present themselves at mass for communion in his diocese.