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The 1983 Lisbon Open – Singles was an event of the 1983 Lisbon Open men's tennis tournament held in Lisbon, Portugal from 4 April until 10 April 1983. The draw comprised 32 players and eight players were seeded. Second-seeded Mats Wilander won the singles title, defeating third-seeded Yannick Noah in the final, 2–6, 7–6, 6–4.
John Barrett, ed. (1984). World of Tennis 1984 : The Official Yearbook of the International Tennis Federation. London: Willow Books. pp. 74, 133. ISBN0002181223.