George Calhoun Crowther (January 26, 1849 – March 18, 1914) was a U.S. Representative from Missouri.

Born in Lancashire, England, Crowther immigrated to the United States in 1855 with his parents, who settled in Dakota City, Nebraska.

He attended the public schools until his tenth year, when he became a printer's apprentice at Sioux City, Iowa.

Crowther was elected secretary of the Kansas State senate in January 1869, and reelected in 1871 and 1873.

He engaged in the manufacture of iron and steel in St. Joseph, Missouri, until his death there March 18, 1914.