NA-227 Dadu-I () is a constituency for the National Assembly of Pakistan.
General elections were held on 10 October 2002. Liaqat Ali Jatoi of PML-Q won by 62,388 votes.
General elections were held on 18 February 2008. Talat Iqbal Mahesar of PPP won by 83,493 votes.
General elections were held on 11 May 2013. Imran Zafar Leghari of PPP won by 110,292 votes and became the member of National Assembly.
General elections were held on 25 July 2018.
Elections were held on 8 February 2024. Irfan Zafar Leghari won the election with 104,141 votes.