John Hyde Sweet (usually referred to as J. Hyde Sweet) (September 1, 1880 – April 4, 1964) was an American newspaper publisher Republican Party politician. He was most notable for his brief service as a member of the United States House of Representatives from Nebraska. Sweet 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. He died April 4, 1964, in Wickenburg, Arizona and was buried at Wyuka Cemetery, Nebraska City, Nebraska.