John Hyde Sweet (1880-1964) was a Nebraska Republican politician.
He was born in Milford, New York on September 1, 1880 and moved to Palmyra, Nebraska in 1885. He attended the University of Nebraska-Lincoln and Lincoln Business College in Lincoln, Nebraska.
After graduating, he worked as court reporter in western Nebraska from 1899 to 1900, and then as a grocer in Nebraska City from 1902 to 1909. After that he published his own newspaper and was a Nebraskan delegate to the 1912 Progressive National Convention.
In 1940 was elected as a Republican to the Seventy-sixth United States Congress to fill the vacancy left by the previous representative George H. Heinke, who had died in a car crash in the January of that year. Sweet served for less than a year, and did not run in the following election.
He died April 4, 1964 in Wickenburg, Arizona and was buried at Wyuka Cemetery, Nebraska City, Nebraska.
Preceded by: George H. Heinke (R) Member of the U.S. House of Representatives from Nebraska's 1st congressional district April 19, 1940 - January 3, 1941 Succeeded by: Oren S. Copeland (R)