Kayin

Kayin can refer to:

• Kayin State, an administrative division of Myanmar (Burma)
• Kayin or Karen people, a minority ethnic group in Myanmar
• Kayin, Iran, a village in Kerman Province, Iran
• alternative spelling for Cain
• Kayin Amoh, a character in the Battle Arena Toshinden fighting game series
• Kayin, alias of the creator of the indie video game I Wanna Be The Guy