Constant is a given name, and may refer to:
- André Henri Constant van Hasselt (1806âÂÂ1874), Flemish poet
- André Marie Constant Duméril (1774âÂÂ1860), French zoologist
- Constant Chevillon (1880âÂÂ1944), Grand Master of the Freemasonry Rite of Memphis-Misraïm
- Constant d'Aubigné (1647), French nobleman
- Constant de Kerchove de Denterghem (1790âÂÂ1865), Belgian liberal politician
- Constant Feith (1884âÂÂ1958), Dutch amateur football player
- Constant Fornerod (1819âÂÂ1899), Swiss politician
- Constant Fouard (1837âÂÂ1903), French ecclesiastical writer
- Constant Huret (1870âÂÂ1951), long distance track racing cyclist
- Constant Janssen (1895âÂÂ1970), Belgian physician and businessman
- Constant Lambert (1905âÂÂ1951), British composer and conductor
- Constant Le Marchand de Lignery (1662âÂÂ1732), French military officer
- Constant Lestienne (born 1992), French tennis player
- Constant Martin (1910âÂÂ1995), French engineer and inventor inventor of the clavioline
- Constant Nieuwenhuys (1920âÂÂ2005), Dutch painter, generally known simply as Constant
- Constant Permeke (1886âÂÂ1952), Belgian painter
- Constant Prévost (1787âÂÂ1856), French geologist
- Constant Tonegaru (1919âÂÂ1952), Romanian poet
- Constant Troyon (1810âÂÂ1865), French painter
- Constant Vanden Stock (1914âÂÂ2008), honorary president and former president and player of Belgian football club R.S.C. Anderlecht
- Jean Michel Constant Leber (1780âÂÂ1859), French historian and bibliophile
- Jean René Constant Quoy (1790âÂÂ1869), French zoologist
- Louis Constant Wairy (1778âÂÂ1845) Premier valet de chambre of Napoleon Bonaparte (not to be confused with Benjamin Constant)
- Marie Philibert Constant Sappey (1810âÂÂ1896), French anatomist
See also