Last name อินทรสมบุญ (อินทรสมบุญ 
) , all over the world, is an extremely rare cognomen. The family name อินทรสมบุญ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| อินทรสมบุญ | Thailand |