Blondel is a surname. Notable people with the surname include:
Alain Blondel (born 1939), retired French art dealer Alain Blondel (born 1962), retired French decathlete 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 James Augustus Blondel, French physician Jean Blondel (1929–2022), French political scientist Jean-François Blondel (1683–1756), French architect Jonathan Blondel (born 1984), Belgian footballer Louis Blondel (1885–1967), Swiss archaeologist Lucas Blondel (born 1996), Swiss-Argentine footballer Maurice Blondel (1861–1949), French Catholic philosopher Vincent Blondel (born 1965), Belgian professor of applied mathematics