NA-68 Mandi Bahauddin-I () is a constituency for the National Assembly of Pakistan.
General elections were held on 10 October 2002. Ijaz Ahmed Chaudhry of PML-Q won by 70,675 votes.
General elections were held on 18 February 2008. Muhammad Tariq Tarar of PPP won by 73,981 votes.
General elections were held on 11 May 2013. Muhammad Ijaz Ahmed Chaudhary (independent) won by 85,009 votes and became the member of National Assembly.
Ijaz Chaudhary left his National Assembly seat and joined PTI on 29 November 2014. He was disqualified in fake degree case by the Supreme Court of Pakistan on 14 April 2015.
By elections were held on 8 June 2015 and Mumtaz Ahmed Tarar of PML-N won the slot with 70,638 votes.
General elections were held on 25 July 2018.
General elections were held on 8 February 2024. Imtiaz Ahmed Chaudhary won the election with 166,229 votes.