Elias José Silvério de Oliveira (born September 22, 1986)[1] is a Brazilian mixed martial artist currently competing in the Welterweight division of Absolute Championship Akhmat.

Silvério made his professional mixed martial arts debut on September 17, 2011, when he faced Bruno Tavares at Fight Show: MMA 1.

In his debut, Silvério replaced an injured Kenny Robertson and he faced João Zeferino at UFC Fight Night: Teixeira vs. Bader on September 4, 2013.

[13] He lost the fight via TKO in the third round after getting dropped with a stiff left hook and punches, resulting in the first professional loss of his MMA career.

Elias's fourth fight in the promotion came against Gadzhimurad Khiramagomedov at ACA 113: Kerefov vs. Gadzhiev 2 on November 6, 2020.

[21] Silvério faced Chersi Dudaev on November 3, 2023 at ACA 165: Dakaev vs. Batista, losing the bout via unanimous decision.

[22] Silvério faced Ruslan Kolodko on March 29, 2024 at ACA 173: Frolov vs. Yankovsky, winning the bout via unanimous decision.