Éder Aleixo de Assis, was also known as Éder, Éder Aleixo or Éder Assis (Brazilian Portuguese: ['?d??]; born 25 May 1957 in Vespasiano, Brazil), is a Brazilian former footballer.
He played as a left winger, and as a forward, most notably with Atlético Mineiro in the Campeonato Brasileiro and with the Brazilian national team.
He also played for Palmeiras and Grêmio, among other teams.
A few years later, he transferred to Turkey, where he played for Malatyaspor during 1988–89 season, along with Carlos and Serginho, and later Fenerbahçe, but played only one match for the team before returning to Brazil in 1989.