Gildevanio Ilso dos Santos Diniz (August 29, 1986), better known as Gil Diniz or Carteiro Reaça, is a Brazilian postman and politician.

He has been a member of the Social Liberal Party since 2018, until he was expelled in 2020 for allegedly spreading fake news and attacks on democratic institutions, such as the STF.

[3] Diniz started the History course with a full scholarship through the state program Prouni, but did not complete it.

[4] Between 2009 and 2011, he tried to join the Military Police of São Paulo State, but failed to pass the psychotechnical exam.

[11][12][13][14] According to the survey of Aos Fatos in May 2020, Gil Diniz and a group of seven deputies investigated in the fake news survey published an average of two posts per day on a social network over a period of three months, with misinformation or mentioning the STF critical.