The 1990 Fernleaf International Classic was a women's tennis tournament played on outdoor hard courts in Wellington, New Zealand and was part of the Tier V category of the 1990 WTA Tour. It was the third edition of the tournament and was held from 5 February until 11 February 1990. Sixth-seeded Wiltrud Probst won the singles title.
Finals
Singles
Wiltrud Probst defeated Leila Meskhi 1–6, 6–4, 6–0
It was Probst's first singles title of her career.
Doubles
Natalia Medvedeva / Leila Meskhi defeated Michelle Jaggard-Lai / Julie Richardson 6–3, 2–6, 6–4