1984 Australian Open – Men's singles

Defending champion Mats Wilander defeated Kevin Curren in the final, 6–7(5–7), 6–4, 7–6(7–3), 6–2 to win the men's singles tennis title at the 1984 Australian Open. It was his second Australian Open title and third major singles title overall.

Seeds
The seeded players are listed below. Mats Wilander is the champion; others show the round in which they were eliminated. • # Ivan Lendl (fourth round)

• # 🇸🇪 Mats Wilander (champion)

• # 🇸🇪 Joakim Nyström (fourth round)

• # 🇺🇸 Johan Kriek (semifinals)

• # 🇦🇺 Pat Cash (quarterfinals)

• # 🇺🇸 Vitas Gerulaitis (second round)

• # 🇺🇸 Tim Mayotte (second round)

• # 🇸🇪 Stefan Edberg (quarterfinals)

• # 🇿🇦 Kevin Curren (final)

• # 🇬🇧 John Lloyd (second round)

• # 🇮🇳 Ramesh Krishnan (third round)

• # 🇺🇸 Brad Gilbert (fourth round)

• # 🇺🇸 Mike Bauer (third round)

• # 🇺🇸 Ben Testerman (semifinals)

• # 🇮🇳 Vijay Amritraj (second round)

• # Miloslav Mečíř (second round)