Oklahoma's 4th Congressional District — 2026 Candidates

Tom Cole is the Republican candidate for Oklahoma's 4th Congressional District on the November 3, 2026 ballot, per the Oklahoma State Election Board's 2026 candidate list and official primary results. Tom Cole is the sitting member, per the Legislature's roster. Cole is a fifth-generation Oklahoman serving his twelfth term in Congress after first winning election in 2002, per his official House biography and the chamber's membership roster. He is recognized in the House for his work on biomedical research funding and tribal government issues, per the same source. He chairs the House Appropriations Committee, previously chaired the Oklahoma Republican Party, served in the Oklahoma State Senate and was Oklahoma's Secretary of State under Governor Frank Keating, per the campaign site.

Mitchell Jacob is the Democratic candidate for Oklahoma's 4th Congressional District on the November 3, 2026 ballot, per the Oklahoma State Election Board's 2026 candidate list and official primary results. Jacob is an Army veteran who served five and a half years as a cryptologic linguist, including a 2020 deployment to Syria, per his campaign site. A father of five and fourth-generation Oklahoman, he graduated from the University of Oklahoma College of Law in 2025 and now works as a public defender, per the same source.