Abin or ABIN may refer to:

• Abin Sur, a fictional character in DC Comics
• Rabbi Abin I, Jewish Talmudist
• Jose ben Abin (4th century), Jewish Talmudist
• Idi b. Abin Abin Naggara (4th century), Jewish Talmudist
• Hiyya b. Abin Naggara, Jewish Talmudist
• Aba people, an ethnic group in Siberia

• ABIN, the intelligence agency of Brazil