Tifanny Abreu (born 1984, Goiás, Brazil) is a Brazilian volleyball player.
She was the first trans woman to play in the Brazilian Women's Volleyball Superliga.Before playing in women's championships, she competed as a man for Superliga A and B in Brazil, and other championships in the leagues of Indonesia, Portugal, Spain, France, the Netherlands and Belgium.
While in JTV Dero Zele-Berlare, Abreu decided to complete her gender transition.
In 2017, she received permission from the International Volleyball Federation to compete in women's leagues.In 2018 Abreu ran as a candidate for the Brazilian Democratic Movement Party.