Eann Styvenson Valentim Mendes (born 7 February 1977) more commonly known as Styvenson Valentim is a Brazilian politician, as well as a captain in the Brazilian military police.

Although born in Acre, he has spent his political career representing Rio Grande do Norte, having served as federal senator since 2019.

[1][2] Valentim served in the Brazilian military police and attained the rank of captain.

In the media he is often referred to as "Capitão Styvenson".

[4] In 2019 Valentim switched to the Podemos party.

This article about a Brazilian politician is a stub.