Tayane Porfírio de Araújo (born 11 December 1994 in Sobral, Ceará, Brazil) is a Brazilian Jiu Jitsu (BJJ) 4x World Championship black belt champion.

[2] Porfirio missed the 2018 Pan Ams but came back after a slight injury to win her category and the absolute at the 2018 Brazilian Nationals.

[a] Porfirio ended 2018 as the number one black belt female competitor in the International Brazilian Jiu-Jitsu Federation rankings.

[5] In 2019 Porfirio announced leaving team Alliance In Brazil, with whom she had been since blue belt, to join Gracie Barra In The UK.

[7] In May 2019, Porfirio received a four-year competition ban from the USADA (United States Anti-Doping Agency) after she tested positive for Nandrolone,[8] a prohibited substance found in samples, collected on 3 June 2018, during the 2018 IBJJF World Jiu-Jitsu Championship.

[23] Porfirio won a gold medal in the super-heavyweight division of the Abu Dhabi Grand Slam Tokyo on 14 January 2024.