| 1991 BP National Championships | ||||
|---|---|---|---|---|
| Date | 31 December 1990 – 6 January 1991 | |||
| Edition | 4th | |||
| Category | World Series | |||
| Draw | 32S / 16D | |||
| Prize money | $150,000 | |||
| Surface | Hard / outdoor | |||
| Location | Wellington, New Zealand[1] | |||
| Champions | ||||
| Singles | ||||
 Richard Fromberg | ||||
| Doubles | ||||
 Luiz Mattar /  Nicolás Pereira[2] | ||||
| ||||
The 1991 BP National Championships was a men's tennis tournament played on outdoor hard courtsinWellingtoninNew Zealand and was part of the World Series of the 1991 ATP Tour. It was the fourth edition of the tournament and was held from 31 December 1990 through 6 January 1991. Third-seeded Richard Fromberg won the singles title.[3]
Richard Fromberg defeated 
Lars Jönsson 6–1, 6–4, 6–4
Luiz Mattar / Nicolás Pereira defeated 
John Letts / Jaime Oncins 4–6, 7–6, 6–2
