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Family name Sumanan (Sumanan
, สุมานันท์
) , in the world, is a rare cognomen. The family name Sumanan is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, Malaysia, and Indonesia. In absolute terms, it most frequently occurs in Thailand, Indonesia, and India. More prevalently, Sumanan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumanan | Malaysia, India, Indonesia, Sri Lanka, Thailand |
| สุมานันท์ | Thailand |
สุมานะนันท์, and สุมานัน