Andrew Thomas Ladis (January 30, 1949 – December 2, 2007) was a Greek-born American art historian particularly known for his studies on early Italian Renaissance painting.

His parents, Thomas and Marina Ladis, emigrated to the United States when Ladis was a small boy and settled in Richmond, Virginia, where he graduated from Thomas Jefferson High School.

Later in life, he also developed an interest in American art and wrote a series of essays on Gerald Brockhurst, Lucy May Stanton, George Biddle, Raphael Soyer, Paul Cadmus, and Andrée Ruellan.

He was survived by his partner of 37 years, William Underwood Eiland, director of the Georgia Museum of Art.

[4] Ladis was the general editor or co-editor of six volumes and series on art history, as well as authoring numerous scholarly articles and monographs and several books, including: