Rabbi Eleazar may refer to:

Eleazar ben Shammua, rabbi of the 2nd century (4th generation of tannaim) Eleazar ben Pedat, second and third-generation amora or Talmudist from Babylon who lived in Syria Palaestina during the 3rd century Eleazar ben Arach, 1st-century rabbi and tanna

See also Rabbi Eliezer, 1st/2nd-century rabbi and tanna