New Zealand at the 2003 World Championships in Athletics

New Zealand competed at the 2003 World Athletics Championships. Their best placing was fifth, achieved by Valerie Vili in the Women's shot put. The men's 4x100m relay team broke the national record in their heat, but did not advance to the semi-finals.

Entrants

 * Key
 * Q = Qualified for the next round by placing (track events) or automatic qualifying target (field events)
 * q = Qualified for the next round as a fastest loser (track events) or by position (field events)
 * AR = Area (Continental) Record
 * NR = National record
 * PB = Personal best
 * SB = Season best
 * - = Round not applicable for the event