Cognomen Janaia (Janaia 
) , in all the world, is an extremely rare family name. The last name Janaia is habitual in Northern America, particularly the United States, where it is an extremely rare surname. Much more prevalently, Janaia is the forename as well as the last name.
Lee, Bailey, Glover, Hervey, Wilson, Moreira, Santana, Stegger, Pereira, Jackson, Johnson, Justice, Hawkins, Houston, Frazier, Spurlock, Calderon, Teixeira, Ferreira, Oliveira, Williams, Pettiford, Barros, Clarke, Arnold, Santos, Bass, Rhea, Lima, Hush, Oden, Matos, Silva, Sousa, Souza, Smith, Secrest-Holden, Allen, Boone, Brown, Bruce, Kelly, Davis, Grube, Jones, Jesus, Fabri, Murphy, Costa, and Nascimento