Neneca is a common nickname in Brazil, and may refer to:
Neneca (footblaller, 1947-2015), Hélio Miguel, Brazilian football goalkeeper Welesley Neneca (born 1967), Welesley Antonio Simplicio, Brazilian football manager and former goalkeeper Neneca (footballer, born 1980), Anderson Soares da Silva, Brazilian football goalkeeper Neneca (volleyball) (born 1988), Alessandra Januário dos Santos, Brazilian volleyball player Neneca (footballer, born 1999), Hugo de Souza Nogueira, Brazilian football goalkeeper for Corinthians Neneca (footballer, born 2003), Hélio Miguel Júnior, Brazilian football goalkeeper for Santa Clara, and son of same name footballer born 1947