Eleazar is a common Hebrew name. It may refer to:

People

• Eleazar (given name), a list of people and biblical and apocryphal figures with the given name

• Eleazar, son of Aaron and second Kohen Gadol (High Priest) of Israel
• Eleazar, son of Abinadab, a keeper of the Ark of the Covenant
• Eleazar (son of Dodo), one of King David's warriors
• Eleazar (son of Pinhas), one of those in charge of the sacred vessels brought back to Jerusalem after the Babylonian Exile
• Eleazar Avaran, the younger brother of Judas Maccabeus
• Eleazar (2 Maccabees), a martyr described in 2 Maccabees 6
• Eleazar, name chosen by Frankish deacon Bodo (deacon) upon his conversion to Judaism
• Eleazar (painter) (born 1954), Spanish painter
• Abraham Eleazar, fictitious author of a 1735 book on alchemy
• David Elazar (1925–1976), Chief of Staff of the Israel Defense Forces
• Guillermo Eleazar, Chief of the Philippine National Police
• Rosalind Eleazar, 21st century English actress

Places

• Elazar, Gush Etzion, a small Israeli settlement in the West Bank near the site of Eleazar Maccabeus' fatal battle