Yago Cariello Ribeiro (born 27 July 1999), sometimes known as Yago Caju, is a Brazilian professional footballer who plays as a striker for K League 1 club Ulsan HD.
Cariello is a youth product of America-RJ, before moving to the youth side of Vasco da Gama in 2018. On 8 January 2020, he transferred to Tupynambás where he began his senior career. He then moved to Europe with a stint at Condeixa in 2020–21, followed by a move to União Santarém for the 2021–22 season where he was one of the top scorers in the Liga 3. On 2 May 2022, he signed his first professional contract with the Primeira Liga side Portimonense. Cariello made his professional debut with Portimonense in a 1–0 Primeira Liga loss to Boavista on 7 August 2022.
On 1 July 2023, Portimonense sent Cariello on a season-long loan to K League 1 side Gangwon FC.
