1977 Custom Credit Australian Indoor Championships

The 1977 Custom Credit Australian Indoor Championships was a men's tennis tournament played on indoor hard courts at the Hordern Pavilion in Sydney in Australia and was part of the 1977 Colgate-Palmolive Grand Prix. The tournament was held from 17 October through 23 October 1977. First-seeded Jimmy Connors won the singles title.

Finals

Jimmy Connors defeated Ken Rosewall 7–5, 6–4, 6–2

It was Newcombe's only title of the year and the 64th of his career. It was Roche's 2nd title of the year and the 25th of his career.

"1977 Sydney Indoor – Singles draw". Association of Tennis Professionals (ATP).
"1977 Sydney Indoor – Doubles draw". Association of Tennis Professionals (ATP).
John Barrett, ed. (1978). World of Tennis 1978 : a BP yearbook. London: Macdonald and Janes. pp. 106–107. ISBN 9780354090391.

Six star	Palm Springs Memphis
Five star	Rome Los Angeles Tehran Stockholm Johannesburg
Four star	Adelaide Hamburg Washington D.C. Louisville North Conway Columbus Indianapolis Toronto Boston San Francisco Sydney Indoor Sydney Outdoor (2)
Three star	Baltimore Washington D.C Denver London (Queen's) Cincinnati Maui Barcelona Tokyo Outdoor Wembley
Two star	Sydney Outdoor Munich Düsseldorf Brussels Båstad Gstaad Kitzbühel Hilversum South Orange Hong Kong Manila Buenos Aires
One star	Little Rock Dayton Hampton Nice Berlin Aix-en-Provence Paris Indoor Brisbane Vienna Basel Cologne Bogotá Santiago Taipei Bombay

Team events