1985 South Australian Open

The 1985 South Australian Open was a men's Grand Prix tennis tournament held in Adelaide, Australia. It was held on outdoor grass courts. The tournament was held from 16 December through 22 December. Unseeded qualifier Eddie Edwards won the singles title.

Singles
Eddie Edwards defeated 🇦🇺 Peter Doohan 6–2, 6–4
 * It was Edwards' only singles title of the year.

Doubles
🇦🇺 Mark Edmondson / 🇦🇺 Kim Warwick defeated 🇧🇷 Nelson Aerts / 🇺🇸 Tomm Warneke 6–4, 6–4