Coulon is a surname. Notable people with the surname include:

Cécile Coulon (born 1990), French novelist and poet Eugène Germain Coulon (1808–1891), French-born dance teacher George David Coulon (1822–1904), American painter Georges Coulon (1838–1912), vice president of the French Council of State Jean-François Coulon (1764–1836), French ballet dancer and teacher Jean-Michel Coulon (1920–2014), French painter Jocelyn Coulon (born 1957), Quebec author, researcher and former federal election candidate Johnny Coulon (1889–1973), American boxer