Riegle is a surname. Notable people with the surname include:
Donald Riegle (1938–2026), American author, businessman, US Representative and US Senator from Michigan Donald W. Riegle Sr. (1917–1992), American politician, city commissioner for Flint, Michigan; father of the above Ed Riegle (1924–2003), Canadian professional ice hockey player and coach Gene Riegle (1928–2011), American harness racing driver and trainer Merl Riegle (1950–2015), American crossword constructor Roy Wilford Riegle (1896–1988), American attorney and state Representative
See also Riegle Report, officially titled U.S. Chemical and Biological Warfare-Related Dual Use Exports to Iraq and their Possible Impact on the Health Consequences of the Gulf War Riegle–Neal Interstate Banking and Branching Efficiency Act of 1994 (IBBEA) Riel (disambiguation)