Cognomen Guanabara (Guanabara 
) , all around the world, is a rare surname. The family name Guanabara is characteristic of Brazil, where it is a rare surname, Spain, where it is a very rare surname, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Brazil, the United States, and Spain. Very seldom, Guanabara is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guanabara | United Kingdom, Spain, United States, Canada, Brazil |
|
alcindo guanabara Brazilian journalist and politician, BR (b. 1865) |
|
| augusto guanabara ferreira da silva Brazilian military, engineer, politician and literary, BR (b. 1849) |
|
Mr, Lara, Lais, Leni, Lucy, Luiz, Jose, Joao, Joã, Jean, Juan, Toyo, Neli, Elis, Eloa, Erik, Enzo, Euda, Vera, Flã, Ines, Iris, Davi, Ruan, Ruth, Rita, Ms, Mã, Ana, Ane, Ari, Ary, Cau, Kã, Rã, Leo, Ivan, Yan, Sara, Alan, Adir, Ayla, Caio, Caue, Clea, Kaua, Raul, Rosa, Manu, and Ives