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Surname Thawan (ถวัลย์ , Thawan , ทวัน ) , all over the world, is a rare last name. The cognomen Thawan is habitual in Kuwait, where it is quite a rare surname, Thailand, where it is a rare surname, and Malaysia, where it is a very rare surname. Much more prevalently, Thawan is the forename as well as the last name.
Melo, Santana, Almeida, Andrade, Barbosa, Batista, Pereira, Ribeiro, Gunawan, Tarasak, Sriyotha, Chungpan, Carvalho, Tappawan, Ferreira, Oliveira, Chotimarnon, Benjawang, Rodrigues, Goncalves, Fernandes, Nascimento, Meesomnai, Machado, Marques, Martins, Dias, Leal, Lima, Silva, Sousa, Souza, Alves, Costa, Rocha, Gomes, Rianviriyakij, Lopes, Nunes, Moraes, Mendes, Santos, Saiwat, Saetan, Soares, Araujo, Duarte, Vieira, Jesus, and Cherdsatirakul