Blondel is a surname. Notable people with the surname include:
André Blondel (1863–1938), French scientist and engineer
Antoine Blondel (1795–1886), French politician
David Blondel (1591–1655), French Protestant clergyman and scholar
François Blondel (1618–1686), French mathematician and engineer, author of Cours d'Architecture
Georges Blondel (1856-1948), French historian
Henri Blondel (1821–1897), French architect
Jacques-François Blondel (1705–1774), French architect
Jean Blondel (born 1929), French political scientist
Jonathan Blondel (born 1984), Belgian footballer
Louis Blondel (1885-1967), Swiss archaeologist
Maurice Blondel (1861–1949), French Catholic philosopher
Vincent Blondel (born 1965), Belgian professor of applied mathematics
