Charles Ives Barber was an American architect, active primarily in Knoxville, Tennessee, and vicinity, during the first half of the 20th century. He was cofounder of the firm, Barber & McMurry, through which he designed or codesigned buildings such as the Church Street Methodist Episcopal Church, South, the General Building, and the Knoxville YMCA, as well as several campus buildings for the University of Tennessee and numerous elaborate houses in West Knoxville. Several buildings designed by Barber have been listed on the National Register of Historic Places.

BarberMcMurry, formerly Barber & McMurry, is an architecture firm based in Knoxville, Tennessee, USA. Founded in 1915 by Charles Irving Barber (1887–1962) and Benjamin Franklin McMurry, Sr. (1885–1969), the firm designed dozens of notable houses, churches, schools, and public facilities in Knoxville and the surrounding region in the early 20th century, several of which have been listed on the National Register of Historic Places. In recent decades, the firm has expanded its focus to include larger-scale projects, such as hospitals, stadiums and retail complexes.