Burnside Triangle, a district in Portland, Oregon, known for LGBT-friendly businesses; People with the surname. Adrian Burnside (born 1977), Australian baseball player; Ambrose Burnside (1824–1881), American soldier, railroad executive, inventor, industrialist, and politician; Bob Burnside, first president of the United States Lifesaving ...

Sideburns, sideboards, or side whiskers are facial hair grown on the sides of the face, extending from the hairline to run parallel to or beyond the ears. The term sideburns is a 19th-century corruption of the original burnsides, named after American Civil War general Ambrose Burnside, a man known for his unusual facial hairstyle that connected thick sideburns by way of a …