The 2003 National Camogie League is a competition in the women's team field sport of camogie, and was won by Cork, who defeated Tipperary in the final, played at Páirc Uí Rinn.
Cork had a tougher draw, but defeated Galway, Wexford, Limerick and Kilkenny.
Cork’s superior fitness won the final with a late quartet of points.
Tipperary reversed the result in the All-Ireland final, the third time they had done so in a four-year period.
The Junior National League, known since 2006 as Division Two, was won by Galway who defeated Armagh in the final.