Tadeu
Tadeu may refer to:
- José Tadeu Carneiro Cardoso, aka Mestre Camisa, Capoeira master who created the organization ABADÁ-Capoeira
- Tadeu Hasdeu or Bogdan Petriceicu Hasdeu, Romanian writer and philologist
- Tadeu Jesus Nogueira, Jr., Brazilian footballer commonly known as Juninho
- Tadeu Jungle, Brazilian multimedia artist
- José Tadeu Mouro Júnior or simply Tadeu, striker currently playing for AC Mestre in Italy
- Ely Tadeu Bravin Rangel, Brazilian football forward commonly known as Ely Thadeu
- Tadeu Schmidt, host of Fantástico, a Brazilian weekly television newsmagazine
- Gilmar Tadeu da Silva, Brazilian football manager and former football player commonly known as Gil Paulista
- Ygor Tadeu De Souza, Brazilian striker who has recently played for Chengdu Blades in the China League One
- Tarcisio Tadeu Spricigo, Brazilian Roman Catholic priest jailed for 14 years for sexual abuse of children
- Eugenio Tadeu, Brazilian grappler, Vale Tudo and mixed martial arts fighter
- Tadeu Terra, Brazilian footballer who is currently without a club
