1977 Custom Credit Australian Indoor Championships – Singles

Geoff Masters was the defending champion but lost in the second round to Tony Roche.

Jimmy Connors won in the final 7–5, 6–4, 6–2 against Ken Rosewall.

Seeds
• # 🇺🇸 Jimmy Connors (champion)

• # 🇺🇸 Vitas Gerulaitis (semifinals)

• # 🇺🇸 Harold Solomon (first round)

• # 🇦🇺 Ken Rosewall (final)

• #🇺🇸 Bill Scanlon (second round)

• #🇦🇺 Kim Warwick (first round)

• #🇦🇺 Tony Roche (quarterfinals)

• #🇦🇺 Phil Dent (quarterfinals)