Sidney Herbert Hatch (August 18, 1883 – October 17, 1966) was an American athlete who competed for the United States in the 1904 Summer Olympics held in St. Louis, United States, in the 4-mile team where he won the silver medal with his teammates James Lightbody, Frank Verner, Lacey Hearn and Frenchman Albert Corey.

On January 8, 1909, Hatch finished third behind Matthew Maloney and James Crowley in an indoor marathon before 5,000 "wildly cheering" spectators held within the second Madison Square Garden (3:03:29.4).

[6] In March, 1912, Hatch was one of "twenty of the best distance runners in the middle west" scheduled to participate in a 20-mile indoor marathon at Riverview Rink in Chicago, Illinois.

In October 1916 he set a record in the 96-mile Milwaukee to Chicago Run, completing the race in 14 hours, 50 minutes and 30 seconds.

He served as a US Army messenger in World War I and was decorated for "extraordinary heroism" under fire near Brieulles, France, 11 October 1918.