NA-138 Okara-IV () is a constituency for the National Assembly of Pakistan.
General elections were held on 10 October 2002. Rubina Shaheen Watoo of PML-J won by 70,744 votes.
General elections were held on 18 February 2008. Manzoor Wattoo an independent candidate won by 84,778 votes.
General elections were held on 11 May 2013. Muhammad Moeen Wattoo of PML-N won by 87,266 votes and became the member of National Assembly.
General elections were held on 25 July 2018.
General elections were held on 8 February 2024. Muhammad Moeen Wattoo won the election with 122,775 votes.