1976 Custom Credit Australian Indoor Championships – Singles

Stan Smith was the defending champion of the men's singles event at the Australian Indoor Championships but did not compete that year.

Unseeded Geoff Masters won in the final 4–6, 6–3, 7–6, 6–3 against James Delaney.

Seeds
• # 🇺🇸 Roscoe Tanner (second round)

• # 🇦🇺 Ken Rosewall (second round)

• # 🇺🇸 Dick Stockton (second round)

• # 🇦🇺 John Newcombe (second round)

• # 🇦🇺 Ross Case (second round)

• # 🇺🇸 Sandy Mayer (withdrew)

• # 🇦🇺 Phil Dent (second round)

• # 🇺🇸 Tom Gorman (third round)

Tanner, Rosewall and Dent received a bye to the second round. Tony Roche was originally seeded fifth but was forced to withdraw before the start of the tournament due to a stomach muscle injury.