Your version of Internet Explorer is no longer supported. Please upgrade your browser.

Events in Ontario, CA

Search for something you love or check out popular events in your area.

Never Stop Grinding Presents: Show Your Grind Off
Sat, Feb 21, 12:00 PM
Bloomington · 2273 S Vista Ave
Never Stop Grinding Presents: Show Your Grind Off
Sat, Feb 21, 12:00 PM
Bloomington · 2273 S Vista Ave
32nd Annual Perinatal Symposium
Wed, Apr 22, 7:00 AM
Ontario · DoubleTree by Hilton Hotel Ontario Airport
32nd Annual Perinatal Symposium
Wed, Apr 22, 7:00 AM
Ontario · DoubleTree by Hilton Hotel Ontario Airport
THE AQUARIUS MASQUERADE BALL ♒️
Sun, Feb 15, 3:00 PM
Rancho Cucamonga · Epic Events Center
THE AQUARIUS MASQUERADE BALL ♒️
Sun, Feb 15, 3:00 PM
Rancho Cucamonga · Epic Events Center
Galentine's Brunch | 2/14/26
Sat, Feb 14, 11:30 AM
Pomona · 1600 Fairplex Dr
Galentine's Brunch | 2/14/26
Sat, Feb 14, 11:30 AM
Pomona · 1600 Fairplex Dr
Valentine's Couples Yoga & Massage
Fri, Feb 6, 6:00 PM
Ontario · Heart & Pride Muay Thai
Valentine's Couples Yoga & Massage
Fri, Feb 6, 6:00 PM
Ontario · Heart & Pride Muay Thai
Healthcare and Business Networking | Elevating Your Potential - Ontario
Wed, Feb 4, 6:00 PM
Rancho Cucamonga · 4th & Mill
Healthcare and Business Networking | Elevating Your Potential - Ontario
Wed, Feb 4, 6:00 PM
Rancho Cucamonga · 4th & Mill
Valentine Paint n Sip PF Changs Chino Hills
Thu, Feb 12, 6:30 PM
Chino Hills · P.F. Chang's
Valentine Paint n Sip PF Changs Chino Hills
Thu, Feb 12, 6:30 PM
Chino Hills · P.F. Chang's
Inland Empire Lovers Rock Roots Dancehall and more
Fri, Feb 6, 9:00 PM
Rancho Cucamonga · Epic Events Center
Inland Empire Lovers Rock Roots Dancehall and more
Fri, Feb 6, 9:00 PM
Rancho Cucamonga · Epic Events Center
Love Brews and Hues Paint and Sip
Sat, Feb 7, 3:00 PM
Fontana · Mi Flor Mayor Coffee & Co.
Love Brews and Hues Paint and Sip
Sat, Feb 7, 3:00 PM
Fontana · Mi Flor Mayor Coffee & Co.
EMO PROM - FEB 06 - VALENTINES THEME
Fri, Feb 6, 9:00 PM
Riverside · THE HIDEAWAY CAFE & LOUNGE
EMO PROM - FEB 06 - VALENTINES THEME
Fri, Feb 6, 9:00 PM
Riverside · THE HIDEAWAY CAFE & LOUNGE
Business Breakthrough Series
Thu, Feb 12, 11:00 AM
Ontario · 3110B Inland Empire Blvd
Business Breakthrough Series
Thu, Feb 12, 11:00 AM
Ontario · 3110B Inland Empire Blvd
Sales end soon
The Comedy Lobby!
Wednesday at 8:00 PM
Riverside · The Lobby
Sales end soon
The Comedy Lobby!
Wednesday at 8:00 PM
Riverside · The Lobby
MICHELADA & TACO FESTIVAL
Sat, Feb 21, 3:00 PM
Riverside · 9942 Mission Blvd
MICHELADA & TACO FESTIVAL
Sat, Feb 21, 3:00 PM
Riverside · 9942 Mission Blvd
Stuffie Sleepover & Pajama Party- Winter 2026
Fri, Feb 27, 5:30 PM
Upland · 217 E A St
Stuffie Sleepover & Pajama Party- Winter 2026
Fri, Feb 27, 5:30 PM
Upland · 217 E A St
ALL IN 1 HANDS ON SEMINAR
Sun, Feb 22, 3:00 PM
Fontana · 8922 Beech Ave
ALL IN 1 HANDS ON SEMINAR
Sun, Feb 22, 3:00 PM
Fontana · 8922 Beech Ave
Hogares que Transforman al Mundo
Thu, Mar 5, 6:00 PM
Pomona · Iglesia Rios de Agua Viva
Hogares que Transforman al Mundo
Thu, Mar 5, 6:00 PM
Pomona · Iglesia Rios de Agua Viva
DBZ Backstage & Houdini Presents Stonehaven's EP Release Party!
Fri, Feb 20, 6:00 PM
Corona · 317 W 6th St
DBZ Backstage & Houdini Presents Stonehaven's EP Release Party!
Fri, Feb 20, 6:00 PM
Corona · 317 W 6th St
Selling quickly
Enjoy Thinking South California - Leading the Math Change
Thu, Feb 5, 8:00 AM
Riverside · University of California, Riverside
Selling quickly
Enjoy Thinking South California - Leading the Math Change
Thu, Feb 5, 8:00 AM
Riverside · University of California, Riverside
Officer Involved Shootings for Field Supervisors
Tue, Mar 10, 8:00 AM
Anaheim · Anaheim Police Department
Officer Involved Shootings for Field Supervisors
Tue, Mar 10, 8:00 AM
Anaheim · Anaheim Police Department
NEW LOCATION - 11th Fire & Ice Chili Cook Off and Craft Beer Festival
Sat, Feb 28, 11:00 AM
Corona · Crossings At Corona
NEW LOCATION - 11th Fire & Ice Chili Cook Off and Craft Beer Festival
Sat, Feb 28, 11:00 AM
Corona · Crossings At Corona

Trends in Ontario

Explore more trends

Explore more trends

Frequently asked questions about Ontario

What are the best events to attend?

According to Eventbrite, the best events are:

Never Stop Grinding Presents: Show Your Grind Off

32nd Annual Perinatal Symposium

THE AQUARIUS MASQUERADE BALL ♒️

Galentine's Brunch | 2/14/26

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

Which events are coming up?

Discover the best events happening soon – you don’t want to miss them:

The Comedy Lobby!

Healthcare and Business Networking | Elevating Your Potential - Ontario

Enjoy Thinking South California - Leading the Math Change

Valentine's Couples Yoga & Massage