Family name Insuan (Insuan 
) , in the world, is a rare cognomen. The family name Insuan is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Myanmar, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Very seldom, Insuan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Insuan | Myanmar, Philippines, Thailand, India, Malaysia |
On, Napawan, Nongyao, Woravit, Maturima, Aekkapon, Chonlawee, Panjarin, Thitikan, Nattarat, Nipaporn, Noppawan, Wimonrut, Teeraphat, Nanthawan, Kwanruthai, Jirawan, Theerapong, Pramuan, Sornsak, Wim, Siri, Manit, Naree, Wimol, Monruk, Atsiwapong, Krasae, Pannee, Lalita, Tewara, Orapin, Mayuree, Sakaworat, Sompong, Chakkri, and Nuengruethai