George Stuart Nixon (April 2, 1860 – June 5, 1912) was an American entrepreneur and politician who served as a member of the United States Senate from Nevada.

He was born in Newcastle, California.^[1] He went to work for a railroad company and studied telegraphy.^[2]

In 1881, Nixon was transferred to Nevada, where he organized and became cashier of a bank at Winnemucca.^[2] He also built an opera house in Reno,^[2] a theater in Winnemucca^[2] and was one of the financiers of the Mizpah Hotel in Tonopah, Nevada.^[3]

He became a member of the Nevada Assembly in 1891 and was elected to the U.S. Senate in 1905 as a Republican. He was re-elected in 1911 and served until his death in 1912.^[2] He was the chairman of the Committee on Coast Defenses.^[2]

On February 9, 1905, he joined the San Francisco Bohemian Club.^[4]

Nixon died in 1912 and was buried in the Masonic Cemetery in Reno. The Nevada Legislature chose William A. Massey as his successor. The town of Nixon, Nevada was named after George Nixon.^[5]

• List of United States Congress members who died in office (1900–49)