Suicides by firearm in Oklahoma

Wyatt Tate Brady (January 20, 1870 – August 29, 1925) was an American merchant, politician, Ku Klux Klan member, and a "founder" of Tulsa, Oklahoma.

The Edmond post office shooting was a mass shooting that occurred in Edmond, Oklahoma, on August 20, 1986. In less than fifteen minutes, postal worker Patrick Sherrill pursued and shot several coworkers, killing 14 and injuring another six, before committing suicide. Sherrill's attack inspired the American phrase "going postal".

James Dorn Oglesby (August 10, 1905 – September 1, 1955) was an American Major League Baseball first baseman, appearing in three games for the Philadelphia Athletics during the 1936 season.

Terrance Yeakey (November 9, 1965 – May 8, 1996) was a sergeant at the Oklahoma City Police Department (OCPD) who died in mysterious and highly controversial circumstances a year after his heroic rescue service at the aftermath of the Oklahoma City bombing.

Ralph E. Campbell (May 9, 1867 – January 9, 1921) was a United States District Judge of the United States District Court for the Eastern District of Oklahoma.

Jonathan Edgar Nichols (November 14, 1965 – June 5, 2019) was an American politician who served as a member of the Oklahoma Senate from 2000 to 2012. He was a member of the Republican Party. Prior to that, he was an attorney and became Assistant District Attorney.

James Paul Hinson (May 9, 1904 – September 23, 1960) was an American professional baseball shortstop and third baseman who made three appearances for the 1928 Boston Red Sox of Major League Baseball (MLB) as a pinch runner. Listed at 5 feet 10 inches (1.78 m) and 150 pounds (68 kg), he batted and threw right-handed. He later served as a police officer in Muskogee, Oklahoma.

On June 1, 2022, Michael Louis opened fire in the Natalie Building, part of the Saint Francis Hospital in Tulsa, Oklahoma, United States. He killed four people, three of whom were hospital staff, and injured an unspecified number of others before committing suicide.

Eugene F. Lester was an American attorney and judge known as Chief Justice of the Oklahoma (USA) Supreme Court from 1931 to 1932.