1989 BP National Championships
Date	2–8 January
Edition	2nd
Category	Grand Prix
Draw	32S / 16D
Prize money	$115,000
Surface	Hard / outdoor
Location	Wellington, New Zealand
Champions
Singles
Kelly Evernden[1]
Doubles
Peter Doohan / Laurie Warder[2]
← 1988 · BP National Championships · 1990 →

The 1989 BP National Championships was a men's tennis tournament played on outdoor hard courts in Wellington, New Zealand and was part of the 1989 Nabisco Grand Prix. It was the 2nd edition of the tournament and was held from 2 January through 8 January 1989. Eighth-seeded Kelly Evernden won the singles title.

Finals

Singles

Kelly Evernden defeated Shuzo Matsuoka 7–5, 6–1, 6–4

• It was Evernden's 1st singles title of the year and the 3rd of his career.

Doubles

'Peter Doohan / Laurie Warder defeated Rill Baxter / Glenn Michibata 3–6, 6–2, 6–3

• It was Doohan's only title of the year and the 6th of his career. It was Warder's only title of the year and the 6th of his career.