Worldwide, Welingthon (Welingthon 
) is a rare masculine first name. The first name Welingthon is habitual in Latin America and the Caribbean, particularly the Dominican Republic, where it is a rare boy's name, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Welingthon | Brazil, Mexico, Dominican Republic, United States, Peru |
Melo, Vieira, Farias, Machado, Moreira, Sampaio, Almeida, Carrizo, Cardoso, Barbosa, Pereira, Pedroso, Ribeiro, Feitosa, Zoquier, Queiroz, Muhlmann, Sobrinho, Ferreira, Oliveira, Rodrigues, Guimaraes, Junior, Duarte, Borges, Cirino, Reis, Dias, Lima, Silva, Sousa, Souza, Alves, Costa, Cunha, Braga, Favaretto, Brito, Gomes, Jesus, Nunes, Filho, Ikeda, Santos, Soares, Araujo, Avelar, Campos, Reyes, and Nascimento