Stewart is a small lunar impact crater that lies to the northeast of the Mare Spumans, a small lunar mare near the eastern limb of the Moon. It is located to the north of Pomortsev crater, and to the southwest of the lava-flooded Dubyago crater. Stewart was previously designated 'Dubyago Q' before being named by the IAU.

Stewart Stevenson is a fictional character from the MTV animated series Beavis and Butt-head. He was voiced by Adam Welsh.

United States film actor who portrayed incorruptible but modest heros (1908-1997)

Scottish philosopher and follower of Thomas Reid (1753-1828)