The 1976 Custom Credit Australian Indoor Championships was a men's professional tennis tournament played on indoor hard courts at the Hordern Pavilion in Sydney, Australia. It was the fourth edition of the tournament and was part of the 1976 Commercial Union Assurance Grand Prix circuit. The tournament was held from 18 October through 24 October 1976. Geoff Masters won the singles title.[1]
See main article: 1976 Custom Credit Australian Indoor Championships – Singles. Geoff Masters defeated James Delaney 4–6, 6–3, 7–6, 6–3
See main article: 1976 Custom Credit Australian Indoor Championships – Doubles. Ismail El Shafei / Brian Fairlie defeated Syd Ball / Kim Warwick 4–6, 6–4, 7–6