Fairs & FestivalsPopular
Orange County Fair 2026 — Your Adventure Awaits
Jul 17 – Aug 16, 2026
Costa Mesa · OC Fair & Event Center
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Best events in
Orange County
Expos, trade shows, markets and community events across Anaheim, Irvine, Santa Ana, Costa Mesa and the rest of OC — updated as organizers confirm dates.
Popular in Orange County
Explore all eventsFairs & FestivalsOrange County Fair 2026 — Your Adventure Awaits
Jul 17 – Aug 16, 2026
OC Fair & Event Center · Costa Mesa
See organizer
ConventionsLAcon V — 84th World Science Fiction Convention
Aug 27 – 31, 2026
Anaheim Convention Center · Anaheim
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Expos & Trade ShowsUniversity Club by Wedgewood Weddings Summer Extravaganza
Wed, Aug 5, 2026
Wedgewood University Club · Irvine
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Business160 Rooms Owned & 1,200 Managed: PadSplit at Scale with Franco Montano
Fri, Aug 7, 2026
Virtual Event · Online
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Expos & Events in Orange County, CA
Browse upcoming expos, trade shows, markets and community events across OC.
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Fairs & FestivalsConventionsLAcon V — 84th World Science Fiction Convention
Aug 27 – 31, 2026
Anaheim · Anaheim Convention Center
See organizer
Expos & Trade ShowsUniversity Club by Wedgewood Weddings Summer Extravaganza
Wed, Aug 5, 2026 · 5:00 PM
Irvine · Wedgewood University Club
See organizer
Business160 Rooms Owned & 1,200 Managed: PadSplit at Scale with Franco Montano
Fri, Aug 7, 2026
Online · Virtual Event
See organizer
Expos & Trade ShowsFree
SoulSearch Buena Park Enlightenment Expo — Psychic & Healing Fair
Sat, Aug 15, 2026 · 10:00 AM
La Mirada · Holiday Inn la Mirada – Buena Park by IHG
From $0.00
FamilyFree
Summer Adventure — Free Half-Day Camp
Aug 3 – 6, 2026 · 9:00 AM – 12:00 PM
Orange · First Christian Church of Orange
Free
Expos & Trade ShowsFree
Free Urban Ag / Garden Expo at UC South Coast REC
Sat, Oct 3, 2026 · 9:00 AM
Irvine · UC South Coast Research and Extension Center
Free
Community33rd Annual Orange County Police Canine Association Show
Sat, Oct 17, 2026 · 4:00 PM
Irvine · 4771 Campus Dr
See organizer
MarketsGoing fast
Magic Market — Events for the Witchy Heart
Date TBC
Santa Ana · Heritage Museum of Orange County
From $17.85
NetworkingNAHREP Orange County — Cafecito & Connections
Wed, Jul 29, 2026 · 8:00 – 10:00 AM
Orange · The Lost Bean Organic Coffee & Tea
See organizer
Powered by Business Expo Center
Put your event on the Orange County map.
ExpoOC is run by Business Expo Center in Anaheim — list an event free, exhibit in a year-round virtual expo, or book the room your show actually happens in.
List your event
Get your expo, trade show or market in front of Orange County searchers at no cost.
Exhibit year-round
A directory profile and a professionally filmed video interview on a platform with 17 years of search authority.
Book the venue
Business Expo Center at 1985 S Santa Cruz St, Anaheim — call 888-442-8900.
Frequently asked questions
- What kind of events are listed on ExpoOC?
- ExpoOC lists expos, trade shows, conventions, business and networking events, markets, and family and community events taking place across Orange County, California.
- Which cities does ExpoOC cover?
- The directory covers all of Orange County, including Anaheim, Irvine, Santa Ana, Costa Mesa, Orange, Huntington Beach, Buena Park and Fullerton.
- How do I list my event on ExpoOC?
- Listings are handled by Business Expo Center in Anaheim. Send your event details through businessexpocenter.com and the listing is added to the directory once the date is confirmed.
- Can I host my own expo or trade show in Orange County?
- Yes. Business Expo Center at 1985 S Santa Cruz St, Anaheim, CA 92805 rents exhibit hall and meeting space for expos, trade shows and conferences.