NA-228 Dadu-II () is a constituency for the National Assembly of Pakistan.
General elections were held on 10 October 2002. Rafiq Ahmed Jamali of PPP won by 56,814 votes.
General elections were held on 18 February 2008. Rafiq Ahmed Jamali of PPP won by 87,467 votes.
General elections were held on 11 May 2013. Rafiq Ahmed Jamali of PPP won by 76,876 votes and became the member of National Assembly.
General elections were held on 25 July 2018.
Elections were held on 8 February 2024. Rafiq Ahmed Jamali won the election with 98,873 votes.