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2026 candidates we're tracking in OH-15
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Mike Carey
Republican
Incumbent
Carey represents Ohio's 15th District in Congress, per the campaign site. Before his election, he spent two decades as an executive for one of the nation's largest privately owned energy companies, headquartered in Ohio, focusing on energy independence, per the campaign site. He holds a bachelor's degree from Ohio State University and attended Marion Military Institute on an ROTC scholarship before serving as a military officer, per the campaign site.
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Don Leonard
Democratic
Leonard is a professor of city and regional planning at Ohio State University, per the campaign site. He previously served two years with the U.S. Peace Corps in South America after college and completed postdoctoral work at Tulane University, per the campaign site. He was raised by a single mother and describes his upbringing as shaping his commitment to working families, per the campaign site.
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Brennan Barrington
Libertarian
Brennan Barrington appears on the November 3, 2026 ballot for U.S. House, OH-15, per the county elections office's certified candidate list. No campaign website was found as of September 10, 2026.
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Gary Josephson
Independent
Gary Josephson is on the ballot with no party designation, per the Franklin County certified list. No campaign website was found as of September 10, 2026.
About this race
Ohio's 15th Congressional District elects one member of the U.S. House of Representatives to a two-year term. Every House seat in the country is on the ballot in 2026. The Ohio primary is Tuesday, May 5, 2026, and the general election is Tuesday, November 3, 2026.