Charles Franklin Reaugh (December 29, 1860 – May 6, 1945), known as Frank Reagh, was an artist, photographer, inventor, patron of the arts, and teacher, who was called the "Dean of Texas Painters". He devoted his career to the visual documentation in pastel and paint, portraying the vast, still unsettled regions of the Great Plains and the American Southwest. He was active in the Society of Western Artists.