The 2003 South American Women's Football Championship (Campeonato Sudamericano de Fútbol Femenino 2003) was the fourth staging of the South American Women's Football Championship and determined the CONMEBOL's qualifiers for the 2003 FIFA Women's World Cup.

Later, it was moved to Peru, January/February 2003, with Lima and Chincha as venues, only for group A and the final round.

Argentina retained the hosting rights for group C while Ecuador was appointed as host of the group B. Brazil won the tournament for the fourth time in a row, after finishing first in the final round.

Also, they qualified for the FIFA Women's World Cup along with Argentina, the runners-up.

Teams were ranked on the following criteria: Brazil won the tournament and qualified for the 2003 FIFA Women's World Cup along with runners-up Argentina.