The 2008 congressional elections in Oklahoma were held on November 4, 2008, to determine who will represent the state of Oklahoma in the United States House of Representatives. Oklahoma has five seats in the House, apportioned according to the 2000 United States census. Representatives are elected for two-year terms; whoever is elected will serve in the 111th Congress from January 4, 2009, until January 3, 2011. The election coincided with the 2008 U.S. presidential election.
The district was focused in the northeastern corner of the state and included the Tulsa metropolitan area as well as all of Tulsa County. It also included Washington County, Wagoner County, and parts of Rogers County and Creek County. It had been represented by Republican John Sullivan since February 2002. The Democratic nominee was Georgianna Oliver, a CEO residing in Tulsa.
This district covers roughly the eastern quarter of the state, and has been represented by Democrat Dan Boren since 2005. His Republican challenger was Raymond Wickson of Okmulgee.
This district covers the Oklahoma Panhandle and northwest half of the state, including portions of Oklahoma City and Tulsa. It has been represented by Republican Frank Lucas since May 1994. The Democratic nominee was engineer and USDA Forest Service employee Frankie Robbins.
This district covers the south-central area, and has been represented by Republican Tom Cole since 2003. The Democratic nominee was oil industry land consultant Blake Cummings.
This district covers the central part of the state and includes Oklahoma City, the state capital. It has been represented by Republican Mary Fallin since 2007. Lawyer and Democratic nominee Steven Perry challenged the freshman incumbent, campaigning on a platform focused on using American and not foreign energy.