Randall Harold "Duke" Cunningham (December 8, 1941 – August 27, 2025) was an American politician, Vietnam War veteran and fighter ace. A member of the Republican Party, Cunningham represented three California districts in the United States House of Representatives from 1991 to 2005, and later served prison time for accepting bribes from defense contractors.

Prior to his political career, Cunningham was an officer and pilot in the United States Navy for 20 years. Following the Vietnam War, during which he became one of just two Navy aviators to be confirmed as aces, Cunningham became an instructor at the Navy's Fighter Weapons School (better known as TOPGUN) and commanding officer of Fighter Squadron 126 (VF-126), a shore-based adversary squadron at NAS Miramar, California.

In 1990, Cunningham ran for the U.S. House of Representatives, defeating Democratic incumbent Jim Bates. He served in the House from 1991 to 2005, as the representative for California's 44th, 50th, and 51st congressional districts. Cunningham resigned from the House on November 28, 2005, after pleading guilty to accepting at least $2.4 million in bribes and under-reporting his taxable income for 2004. He was sentenced to eight years and four months in prison and was ordered to pay $1.8 million in restitution. On June 4, 2013, Cunningham completed his prison sentence. He was granted a conditional pardon by President Donald Trump in 2021.

Cunningham was born in Los Angeles to Randall and Lela Cunningham on December 8, 1941, one day after the attack on Pearl Harbor. Around 1945, the family moved to Fresno, where Cunningham's father purchased a gas station. In 1953, they moved to rural Shelbina, Missouri, where his parents purchased and managed the five-and-dime Cunningham Variety Store.

Cunningham graduated from Shelbina High School in 1959. He attended Kirksville Teacher's College for one year, before transferring to the University of Missouri in Columbia. Cunningham graduated with a bachelor's degree in physical education in 1964; he obtained his MA in education the following year. He later earned an MBA from National University.

He was hired as a physical education teacher and swimming coach at Hinsdale Central High School, where he stayed for one year. Two members of his swim team competed in the 1968 Summer Olympics, where they earned a gold and a silver medal.

Cunningham joined the United States Navy in 1967. During his service, Cunningham and his Navigator/Radar Intercept Officer (RIO) William P. Driscoll became the only Navy aces in the Vietnam War, flying an F-4 Phantom II from aboard aircraft carrier USS Constellation (CV-64). He and Driscoll recorded five aerial victories against North Vietnamese MiG-21 and MiG-17 aircraft between January and May 1972, including three kills in one flight (earning them the Navy Cross).

In the final engagement, Cunningham downed a MiG-17, which was supposedly piloted by "Colonel Tomb", a mythical North Vietnam Air Force fighter ace loosely based on a North Vietnamese pilot from the 921st Fighter Regiment named Nguyễn Văn Cốc. It was later revealed by historians there was no such Colonel Toon and the story was fabricated by Cunningham himself. Văn Cốc retired from the Vietnamese People's Air Force in 2002.