Conferences in Columbus, OH
10 conferences and trade shows taking place October to December 2026. Each page carries the event’s dates, venue, who attends and what it costs, with a source for every fact.
Alliance Annual Meeting And Conference 2026
Alliance Annual Meeting And Conference 2026 is organised by Ohio Local History Alliance.
October 2–3, 2026
Pizza Expo Columbus 2026
B2B trade show for the pizza and Italian restaurant industry, featuring seminars, workshops, and live demonstrations.
October 11–12
OCHCH Annual Conference & Trade Show 2026
OCHCH Annual Conference & Trade Show is the largest gathering of home care and hospice professionals in Ohio, attracting hundreds of attendees and exhibitors.
October 12–13, 2026
DMM Journal Meeting: Innovative Preclinical Models for Pediatric Cancer Research 2026
This Disease Models & Mechanisms journal meeting focuses on innovative preclinical models for pediatric cancer research.
13–15 October 2026
The Annual Ohio Mass Spectrometry Symposium 2026
The 23rd annual gathering for academic and industrial mass spectrometry researchers to present findings, share information, discuss challenges, and spark collaborations.
October 15–16, 2026
Nationwide Children's Hospital Columbus Marathon & Expo 2026
Nationwide Children's Hospital Columbus Marathon & Expo combines marathon, half marathon, 5K and 1-mile events with a race expo and packet pickup.
October 17–18, 2026
Influencer Summit 2026
A two-day dance experience combining masterclasses, competition, photoshoots, influencer/model opportunities, and a fashion show finale.
October 17–18, 2026
IEC SPARK 2026
The premier annual event for electrical contractors and industry professionals to grow their businesses, strengthen their teams, and stay current with industry advances.
October 21–24, 2026
Essential Summit 2026
A gathering of leaders, families, and pastors focused on faith, family, and American values.
Ohio Turfgrass Foundation Conference and Show 2026
The Ohio Turfgrass Foundation Conference and Show brings together professionals from across the green industry, including turfgrass management, landscape design, and grounds maintenance.
December 8–10, 2026