The 2003 Katsina State gubernatorial election occurred on 19 April 2003. PDP candidate Umaru Musa Yar'Adua won the election, defeating ANPP Nura Khalil and 5 other candidates.
Umaru Musa Yar'Adua from the PDP won the election. 7 candidates contested in the election.
The total number of registered voters in the state was 2,567,245, total votes cast was 1,721,067, valid votes was 1,636,824 and rejected votes was 84,243.