The 1989 Bristol Open was a men's tennis tournament played on grass courts in Bristol in England that was part of the 1989 Nabisco Grand Prix.

It was the tenth and last edition of the tournament and was held from 19 to 26 June 1989.

Fourth-seeded Eric Jelen won the singles title.

Eric Jelen defeated Nick Brown 6–4, 3–6, 7–5 Paul Chamberlin / Tim Wilkison defeated Mike De Palmer / Gary Donnelly 7–6, 6–4