Flandrin is a French surname. Notable people with the surname include a family of 19th and 20th-century painters:
Jean-Hippolyte Flandrin (1809–1864), French painter, the best-known of the family Paul Flandrin (1811–1902), painter, brother of Jean-Hippolyte Marthe Flandrin (1904–1987), painter and mosaicist, daughter of the architect Joseph Flandrin (1857–1939), son of Paul Jules Flandrin (1871–1947), painter
The Flandrins are not to be confused with: Eugène Flandin (1809–1889), also a French painter Marcelin Flandrin (1889–1957), a French photographer