John McEnroe was the defending champion and won in the final 6–1, 6–4, 7–5 against Henri Leconte.
Seeds
John McEnroe (champion) Ivan Lendl (quarterfinals) Kevin Curren (second round) Steve Denton (first round) Henri Leconte (final) Chris Lewis (first round) Mark Edmondson (second round) Pat Cash (first round)
Draw
Finals
Section 1
Section 2
External links 1983 Custom Credit Australian Indoor Championships draw