The 2003 Auckland Open (also named ASB Classic for sponsorship reasons) was a 2003 WTA Tour women's tennis tournament, played on outdoor hard courts.

It took place at the ASB Tennis Centre in Auckland, New Zealand, from 30 December 2002 to 5 January 2003.

Second-seeded Eleni Daniilidou won the singles title and earned $22,000 first-prize money.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: 1 Rankings as of 16 December 2002.

The following pair received wildcards into the doubles main draw: The following pair received entry from the qualifying draw: Eleni Daniilidou defeated Cho Yoon-jeong, 6–4, 4–6, 7–6(7–2) Teryn Ashley / Abigail Spears defeated Cara Black / Elena Likhovtseva, 6–2, 2–6, 6–0