The 1989 Queensland Open, also known by its sponsored name the Commonwealth Bank Queensland Open, was a men's tennis tournament played on outdoor hard courts at the Milton Courts in Brisbane, Australia and was part of the 1989 Nabisco Grand Prix. It was the 87th edition of the tournament and was held from 2 October until 8 October 1989. Unseeded Niclas Kroon won the singles title.[1]
Niclas Kroon defeated 
Mark Woodforde 4–6, 6–2, 6–4
Darren Cahill / Mark Kratzmann defeated Broderick Dyke / Simon Youl 6–4, 5–7, 6–0