Khellven Douglas Silva Oliveira (born 25 February 2001), simply known as Khellven, is a Brazilian footballer who plays as a right-back for Russian club CSKA Moscow.

On 1 September 2023, Khellven signed a five-year contract with CSKA Moscow in the Russian Premier League.

[1] Khellven represented Brazil U23 at the 2024 CONMEBOL Pre-Olympic Tournament, where Brazil failed to qualify for the Olympics.

[2] Athletico Paranaense

This biographical article related to a Brazilian association football defender is a stub.