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List of 2015 Ohio Conventions
| Convention | Dates | Location |
|---|---|---|
| Ohayocon 2015 | January 30 - February 1, 2015 | Greater Columbus Convention Center Columbus, OH |
| Wizard World Comic Con Cleveland 2015 | February 20-22, 2015 | Cleveland Convention Center Cleveland, OH |
| Zipcon 2015 | February 21, 2015 | University of Akron Akron, OH |
| Shumatsucon 2015 | February 27 - March 1, 2015 | Nationwide Hotel and Conference Center Lewis Center, OH |
| March 5-8, 2015 | Sawmill Creek Resort Huron, OH |
|
| Cleveland ConCoction 2015 | March 13-15, 2015 | Sheraton Cleveland Airport Hotel Cleveland, OH |
| HorrorHound Weekend - Cincinnati 2015 | March 20-22, 2015 | Sharonville Convention Center Cincinnati, OH |
| Millennicon 2015 | March 20-22, 2015 | Holiday Inn Cincinnati-I-275 North Cincinnati, OH |
| Animarathon 2015 | March 21, 2015 | Bowling Green State University Bowling Green, OH |
| Gem City Comic Con 2015 | March 28-29, 2015 | Wright State University, Nutter Center Dayton, OH |
| Armageddicon 2015 | April 3-5, 2015 | Crown Plaza Columbus North Columbus, OH |
| FantastiCon Toledo 2015 | April 11-12, 2015 | Grand Plaza Hotel & Convention Center Toledo, OH |
| Midorifest 2015 | April 18-19, 2015 | Shawnee Lodge & Conference Center West Portsmouth, OH |
| Cuteboom 2015 | April 24-26, 2015 | Atrium Hotel and Conference Center Cincinnati, OH |
| Morphicon 2015 | April 30 - May 3, 2015 | Holiday Inn Columbus N - I-270 Worthington Columbus, OH |
| Colossalcon 2015 | June 4-7, 2015 | Kalahari Resort and Convention Center Sandusky, OH |
| Fieldcon 2015 | July 10-12, 2015 | AEP ReCreation Lands Morgan County, OH |
| TrotCon 2015 | July 17-19, 2015 | Crowne Plaza Columbus North Columbus, OH |
| Matsuricon 2015 | August 14-16, 2015 | Hyatt Regency Columbus Columbus, OH |
| River City Comic Con 2015 | August 15, 2015 | Quality Inn Marietta, OH |
| NEO Comic Con 2015 | August 16, 2015 | Holiday Inn Cleveland Strongsville Strongsville, OH |
| Glass City Con 2015 | August 29-30, 2015 | SeaGate Convention Centre Toledo, OH |
| Fan Appreciation Party Weekend 2015 | September 11-12, 2015 | Kalahari Resort and Convention Center Sandusky, OH |
| Cincinnati Comic Expo 2015 | September 18-20, 2015 | Duke Energy Convention Center Cincinnati, OH |
| Wizard World Comic Con Columbus (Ohio) 2015 | September 18-20, 2015 | Greater Columbus Convention Center Columbus, OH |
| Midoricon 2015 | September 25-27, 2015 | Maumee Bay Lodge and Conference Center Oregon, OH |
| Steampunk Spectacle 2015 | September 26, 2015 | Athens Public Library Athens, OH |
| NyanCon 2015 | October 3, 2015 | Lakeland Community College Kirtland, OH |
| Fur Reality 2015 | October 9-11, 2015 | Crowne Plaza Cincinnati Blue Ash Cincinnati, OH |
| Con on the Cob 2015 | October 15-18, 2015 | Days Inn & Suites Richfield Richfield, OH |
| Kabochacon 2015 | October 23-24, 2015 | Hope Hotel and Richard C. Holbrooke Conference Center Wright-Patterson Air Force Base, OH |
| TAG Fest 2015 | December 5, 2015 | SeaGate Convention Centre Toledo, OH |
| Convention | Dates | Location |