Thomas Jacob McKimson (March 5, 1907 – February 14, 1998) was an American animator, best known for his work at the Warner Bros. Cartoons studio. He was the older brother of animators Robert and Charles McKimson. McKimson was active in the Masonic fraternity. He was the Master of Melrose Lodge No. 355 in Hollywood in 1954 and a founding member of Riviera Lodge No. 780 in Pacific Palisades, California in 1956, and later an Inspector and the Grand Tyler of the Grand Lodge of California. He was also a polo enthusiast, playing on the same team as Walter Lantz animator Ray Abrams.