Arnt is a Scandinavian masculine given name, predominantly found in Norway. It is derived from either Old Norse, or German and is either a short form of other names beginning with Arn-, meaning eagle, or a shortened form of Arnold, meaning "eagle" and "ruler." People bearing the name Arnt include:
Arnt Erik Dale (born 1960), Norwegian alpine skier
Arnt Dolven (1892–1954), Norwegian agronomist and politician
Arnt Eliassen (1915–2000), Norwegian meteorologist
Arnt Erickson (1866–1932), Norwegian-born American businessman and politician
Arnt Førland (born 1964), Norwegian motorcycle speedway rider
Arnt Gudleik Hagen (1928–2007), Norwegian politician
Arnt Haugen (1928–1988), Norwegian accordionist and music journalist
Arnt Kortgaard (born 1957), Norwegian footballer
Arnt J. Mørland (1888–1957), Norwegian ship-owner, World War II resistance member, and politician Arnt J. C. Mørland (1921–1994), Norwegian ship-owner Arnt Ferdinand Moss (1880–1964), Norwegian accountant and politician Arnt Njargel (1901–1985), Norwegian politician Arnt O. Rhea (1852–1937), Norwegian-born American politician, businessman, and educator Arnt Rindal (1938–2015), Norwegian diplomat Arnt Simensen (1899–1947), Norwegian footballer Arnt Severin Ulstrup (1862–1922), Norwegian physician and politician Arnt Arntsen Wang (1791–1845), Norwegian politician