List of Famous people born in Ohio, United States of America

Charles Franklin Kettering sometimes known as Charles "Boss" Kettering was an American inventor, engineer, businessman, and the holder of 186 patents. He was a founder of Delco, and was head of research at General Motors from 1920 to 1947. Among his most widely used automotive developments were the electrical starting motor and leaded gasoline. In association with the DuPont Chemical Company, he was also responsible for the invention of Freon refrigerant for refrigeration and air conditioning systems. At DuPont he also was responsible for the development of Duco lacquers and enamels, the first practical colored paints for mass-produced automobiles. While working with the Dayton-Wright Company he developed the "Bug" aerial torpedo, considered the world's first aerial missile. He led the advancement of practical, lightweight two-stroke diesel engines, revolutionizing the locomotive and heavy equipment industries. In 1927, he founded the Kettering Foundation, a non-partisan research foundation. He was featured on the cover of Time magazine on January 9, 1933.

Ralph Carney was an American singer, composer, and multi-instrumentalist. While his primary instruments were various saxophones and clarinets, Carney also collected and played many instruments, often unusual or obscure ones.

Ray Mancini, best known as "Boom Boom" Mancini, is an American former professional boxer who competed professionally from 1979 to 1992 and who has since worked as an actor and sports commentator. He held the WBA lightweight title from 1982 to 1984. Mancini inherited his nickname from his father, boxer Lenny Mancini. In 2015, Ray was inducted into the International Boxing Hall of Fame.

Frank Oliver Howard, nicknamed "Hondo", "The Washington Monument" and "The Capitol Punisher", is an American former player, coach and manager in Major League Baseball who played most of his career for the Los Angeles Dodgers and Washington Senators/Texas Rangers franchises.

Thomas Duane Collen is an American college basketball coach who was most recently the women's basketball head coach at the University of Arkansas.

Sean Burke Clifford is an American football quarterback for the Penn State Nittany Lions. He first started as quarterback for the Nittany Lions in 2019.

Alexander Boone is an American football guard who is a free agent. He played college football for the Ohio State Buckeyes. He was signed by the San Francisco 49ers as an undrafted free agent in 2009. He has also spent time with the Minnesota Vikings and Arizona Cardinals.

Paul Edward Stamets is an American mycologist and entrepreneur who sells various mushroom products through his company. He is an author and advocate of medicinal fungi and mycoremediation.

Jesse Benjamin Jackson was a United States consul and an important eyewitness to the Armenian Genocide. He served as consul in Aleppo when the city was the junction of many important deportation routes. Jackson concluded that the policies towards the Armenians were "without doubt a carefully planned scheme to thoroughly extinguish the Armenian race." He considered the "wartime anti-Armenian measures" to be a "gigantic plundering scheme as well as a final blow to extinguish the race." By September 15, 1915, Jackson estimated that a million Armenians had been killed and deemed his own survival a "miracle". After the Armenian Genocide, Jackson led a relief effort and was credited with saving the lives of "thousands of Armenians."

Daniel Kálmán Biss is an American mathematician and politician who was the member of the Illinois Senate for the 9th district from January 2013 until January 2019. The district includes Chicago's northern suburbs, including Evanston, Glencoe, Glenview, Morton Grove, Northbrook, Northfield, Skokie, Wilmette, and Winnetka. Biss first ran for office in 2008 and was a member of the Illinois House of Representatives from 2011 to 2013. He was also a candidate in the Democratic primary for Governor of Illinois in the 2018 election. He is running for Mayor of Evanston in the 2021 election.