Edson Décimo Alves Araújo, Brazilian footballer (d. 2014)
Edson Décimo Alves Araújo (2 December 1986 – 1 November 2014), known as Piauí, was a Brazilian footballer, who played as left back. He played for Atlético-PR, Porto-PE, Santa Cruz FC, Náutico, Salgueiro, ABC Futebol Clube, Mogi-Mirim, Oeste-SP and Boa Esporte Clube.He was shot dead on 1 November 2014 in Floriano, Piauí.