NA-178 Muzaffargarh-IV () is a constituency for the National Assembly of Pakistan.
General elections were held on 10 October 2002. Abdul Qayyum Khan Jatoi of PPP won by 69,653 votes.
General elections were held on 18 February 2008. Abdul Qayyum Khan Jatoi of PPP won by 68,270 votes.
General elections were held on 11 May 2013. Sardar Aashiq Khan Gopang of Independent won by 72,044 votes and became the member of National Assembly.
General elections were held on 25 July 2018. Pakistan Tehreek-e-Insaf candidate Amir Talal Gopang elected member national assembly from NA-186 Muzaffargarh-VI
General elections were held on 8 February 2024. Sardar Aamir Talal Khan Gopang won the election with 114,678 votes.