All around the world, Ketson (Ketson 
) is a very rare male first name. The forename Ketson is habitual in Tanzania, where it is a very rare male name, Brazil, and India, where it is an extremely rare masculine name. Much less frequently, Ketson is the last name as well as the forename.
Melo, Vargas, Inacio, Martins, Marques, Miyazawa, Santana, Aniceto, Azevedo, Cardoso, Patrick, Pereira, Laurent, Lineker, Liposki, Escobar, Santiago, Trindade, Venancio, Ferreira, Oliveira, Rodrigues, Lucena, Lobato, Ladore, Ronchi, Paes, Lara, Lima, Tran, Marak, Moura, Silva, Souza, Costa, Belau, Hyppolite, Bessa, Dutra, Gomes, Neres, Nunes, Moraes, Mulebe, Santos, Albert, Chagas, Perman, Rocha, and Nascimento