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

Gilbert J. "Gilby" Clarke is an American musician, singer, songwriter and record producer. He had a 3-year tenure as the rhythm guitarist of Guns N' Roses, replacing Izzy Stradlin in 1991 during the Use Your Illusion Tour, and also featured on "The Spaghetti Incident?" (1993). Following this, Clarke went on to forge a solo career as well playing guitar with Slash's Snakepit, Kat Men, Heart, Nancy Sinatra, Kathy Valentine, MC5 and forming his own group Rock Star Supernova with members of Metallica and Mötley Crüe.

James Lawrence Lyttle Jr. is a former American professional baseball player from Logan, Indiana. He played as an outfielder for the New York Yankees, Chicago White Sox, Montreal Expos, and Los Angeles Dodgers of the Major League Baseball (MLB). He also played seven seasons of baseball in Nippon Professional Baseball (NPB) with the Hiroshima Toyo Carp and Nankai Hawks.

Louis Frederick Fieser was an American organic chemist, professor, and in 1968, professor emeritus at Harvard University. He is renowned for inventing military effective napalm whilst he worked at Harvard in 1942. His award-winning research included work on blood-clotting agents including the first synthesis of vitamin K, synthesis and screening of quinones as antimalarial drugs, work with steroids leading to the synthesis of cortisone, and study of the nature of polycyclic aromatic hydrocarbons.

Phil William Klein is an American former professional baseball pitcher. He played in Major League Baseball (MLB) for the Texas Rangers and Philadelphia Phillies; and in Nippon Professional Baseball (NPB) for the Yokohama DeNA BayStars.

Barry Sparks is the former bass player of Yngwie Malmsteen, the Michael Schenker Group, UFO, Dokken, and Ted Nugent, amongst others. Currently Sparks is part of the touring band for the Japanese rock group B'z, and has also contributed to several of their albums and singles.

Christopher M. Bassitt is an American professional baseball pitcher for the Oakland Athletics of Major League Baseball (MLB). He made his MLB debut with the Chicago White Sox in 2014. Prior to playing professionally, he starred for his basketball and baseball teams at Genoa Area High School and the University of Akron.

James Alfred Joyce III is an American former professional baseball umpire who worked in the American League (AL) from 1987 to 1999 and throughout Major League Baseball (MLB) from 2000 to 2016. He wore uniform number 6 while in the AL and number 66 for MLB. His loud and enthusiastic strike call drew comparisons to that of retired umpire Bruce Froemming. Joyce is perhaps best known for his incorrect call in Armando Galarraga's near-perfect game in June 2010.

Scott Gardner Shriner is an American musician best known as a member of the rock band Weezer, with whom he has recorded ten studio albums. Joining the band in 2001, Shriner is the band's longest serving bass guitarist.

Jerome Siegel, who also used pseudonyms including Joe Carter and Jerry Ess, was an American comic book writer. His most famous creation was Superman, which he created in collaboration with his friend Joe Shuster.

Kevin Dallas Martin Jr. is an American retired professional basketball player who played 12 seasons in the National Basketball Association (NBA). He played college basketball for Western Carolina University, where in his junior year, he averaged 24.9 points per game, which ranked second in the nation. After three years at Western Carolina, he entered the 2004 NBA draft and was selected with the 26th overall pick by the Sacramento Kings.