Djalma Pereira Dias Júnior (21 August 1939 – 1 May 1990) was a Brazilian footballer who played as a defender.
During his career, Djalma played for América Football Club - where he won the Rio state championship of 1960 -, Sociedade Esportiva Palmeiras, Clube Atlético Mineiro, Santos Futebol Clube and Botafogo de Futebol e Regatas, retiring in 1974 at the age of 35.
He played 21 times for the Brazilian national team, but did not attend any major international tournament. He was born and died in Rio de Janeiro, at the age of 50.
One of Djalma' sons, Djalminha, was also a footballer, a talented attacking midfielder who played namely for Deportivo de La Coruña, retiring in 2004.