Defending champion Jim Courier defeated Stefan Edberg in a rematch of the previous year's final, 6–2, 6–1, 2–6, 7–5 to win the men's singles tennis title at the 1993 Australian Open. It was his second Australian Open title and fourth and last major singles title overall.

Seeds

• # 🇺🇸 Jim Courier (champion) • # 🇸🇪 Stefan Edberg (final) • # 🇺🇸 Pete Sampras (semifinals) • # 🇩🇪 Boris Becker (first round) • # Goran Ivanišević (withdrew because of a left foot stress fracture) • # 🇺🇸 Michael Chang (second round) • # 🇨🇿 Petr Korda (quarterfinals) • # 🇺🇸 Ivan Lendl (first round) • # Richard Krajicek (second round) • # Wayne Ferreira (fourth round) • # 🇫🇷 Guy Forget (quarterfinals) • # 🇪🇸 Carlos Costa (third round) • # 🇺🇸 MaliVai Washington (fourth round) • # 🇩🇪 Michael Stich (semifinals) • # 🇪🇸 Sergi Bruguera (fourth round) • # 🇷🇺 Alexander Volkov (third round) '' Andre Agassi (No. 9), because of bronchitis, withdrew from the tournament prior to the seedings. ''

Qualifying

Draw

Finals

Top half

Section 1

Section 2

Section 3

Section 4

Bottom half

Section 5

Section 6

Section 7

Section 8