Georgius is a masculine given name. Notable people with the name include:
Franciscus Georgius Josephus van Lith (1863-1926), Jesuit priest
Georgius Agricola (1494-1555), German scholar and scientist, and the 'father of mineralogy'
Georgius Calixtus (1586-1656), German Lutheran theologian
Georgius Choeroboscus (7th century), Greek educator
Georgius Merula (circa 1430-1494), Italian humanist and classical scholar
Georgius Tzul (11th century), Khazar warlord