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Events and Things to do in Ontario, CA

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

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Noche de Rock Sunday May 24th! Memorial Weekend!
Sunday at 9:00 PM
Riverside · The Hideaway Cafe & Lounge
Sales end soon
Noche de Rock Sunday May 24th! Memorial Weekend!
Sunday at 9:00 PM
Riverside · The Hideaway Cafe & Lounge
Sales end soon
Cooper Museum Speaker Series: Chaffey Legacy in Australia
Tomorrow at 6:30 PM
Upland · 217 E A St
Sales end soon
Cooper Museum Speaker Series: Chaffey Legacy in Australia
Tomorrow at 6:30 PM
Upland · 217 E A St
POMONA SHOWOFFS
Sun, Jul 19, 12:00 PM
Pomona · The Derby Room Pomona at Fairplex
POMONA SHOWOFFS
Sun, Jul 19, 12:00 PM
Pomona · The Derby Room Pomona at Fairplex
Trucks and Tacos 10th Annual Truck Show
Sat, Aug 22, 7:30 AM
Chino · Prado Regional Park
Trucks and Tacos 10th Annual Truck Show
Sat, Aug 22, 7:30 AM
Chino · Prado Regional Park
DBZ Backstage Presents Harsh Reality, Carried Weight & Bound 2 Violence
Fri, Jun 5, 6:00 PM
Corona · 317 W 6th St
DBZ Backstage Presents Harsh Reality, Carried Weight & Bound 2 Violence
Fri, Jun 5, 6:00 PM
Corona · 317 W 6th St
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The Willow Place Presents: The Artist Collective Anniversary
Saturday at 7:00 PM
Rialto · 894 W Rialto Ave
Sales end soon
The Willow Place Presents: The Artist Collective Anniversary
Saturday at 7:00 PM
Rialto · 894 W Rialto Ave
Speed Dating for Singles w/ No Kids - Riverside, CA
Wed, Jun 17, 7:00 PM
Riverside · BRÜE CRÜE
Speed Dating for Singles w/ No Kids - Riverside, CA
Wed, Jun 17, 7:00 PM
Riverside · BRÜE CRÜE
Summer Wine Soirée - Networking Event
Wed, Jun 24, 6:00 PM
Upland · Wine Me Up Social
Summer Wine Soirée - Networking Event
Wed, Jun 24, 6:00 PM
Upland · Wine Me Up Social
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EASA Culture Show
Saturday at 6:00 PM
Riverside · Highlander Union Building
Sales end soon
EASA Culture Show
Saturday at 6:00 PM
Riverside · Highlander Union Building
Keeping It 2000s: Brunch Day Party w/ Yung Joc (Live) Pomona Ca
Sun, Jun 14, 11:00 AM
Pomona · 197 E 2nd St
Keeping It 2000s: Brunch Day Party w/ Yung Joc (Live) Pomona Ca
Sun, Jun 14, 11:00 AM
Pomona · 197 E 2nd St
Stuffie Sleepover & Pajama Party- Summer 2026
Fri, Jul 24, 5:30 PM
Upland · 217 E A St
Stuffie Sleepover & Pajama Party- Summer 2026
Fri, Jul 24, 5:30 PM
Upland · 217 E A St
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Open Mic Night at Wine Now!
Friday at 7:00 PM
Rancho Cucamonga · Wine Now!, Haven Avenue, Rancho Cucamonga, CA, USA
Sales end soon
Open Mic Night at Wine Now!
Friday at 7:00 PM
Rancho Cucamonga · Wine Now!, Haven Avenue, Rancho Cucamonga, CA, USA
Real Estate and Business Networking | Elevating Your Potential - Ontario
Wed, Jun 10, 6:00 PM
Rancho Cucamonga · 4th & Mill
Real Estate and Business Networking | Elevating Your Potential - Ontario
Wed, Jun 10, 6:00 PM
Rancho Cucamonga · 4th & Mill
NCRF "Jazz on the Green" Charity Golf Fundraiser
Mon, Jun 15, 1:00 PM
Chino Hills · Los Serranos Country Club
NCRF "Jazz on the Green" Charity Golf Fundraiser
Mon, Jun 15, 1:00 PM
Chino Hills · Los Serranos Country Club
Almost full
2nd Annual BLK Future Fest + Basketball Combine 2026
Sat, Jun 27, 9:00 AM
Riverside · University of California, Riverside
Almost full
2nd Annual BLK Future Fest + Basketball Combine 2026
Sat, Jun 27, 9:00 AM
Riverside · University of California, Riverside
Cooper Museum Speaker Series: Historic Home Styles
Thu, Jun 25, 6:30 PM
Upland · 217 E A St
Cooper Museum Speaker Series: Historic Home Styles
Thu, Jun 25, 6:30 PM
Upland · 217 E A St
The Blonde Me Method Class: Los Angeles, CA
Mon, Jul 20, 10:30 AM
Chino Hills · Slate Hair Salon
The Blonde Me Method Class: Los Angeles, CA
Mon, Jul 20, 10:30 AM
Chino Hills · Slate Hair Salon
4th Annual Golf For A Cause Tournament
Mon, Jun 1, 6:30 AM
Fontana · Sierra Lakes Golf Club
4th Annual Golf For A Cause Tournament
Mon, Jun 1, 6:30 AM
Fontana · Sierra Lakes Golf Club
Breastfeeding Class: In-Person
Wed, Jun 10, 6:00 PM
Upland · Healthy Beginnings
Breastfeeding Class: In-Person
Wed, Jun 10, 6:00 PM
Upland · Healthy Beginnings
Almost full
Officer Involved Shootings for Field Supervisors
Wed, Aug 19, 8:00 AM
Corona · Corona Police Department
Almost full
Officer Involved Shootings for Field Supervisors
Wed, Aug 19, 8:00 AM
Corona · Corona Police Department

Trends in Ontario

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Frequently asked questions about Ontario

What are the best events to attend?

According to Eventbrite, the best events are:

Noche de Rock Sunday May 24th! Memorial Weekend!

POMONA SHOWOFFS

Trucks and Tacos 10th Annual Truck Show

DBZ Backstage Presents Harsh Reality, Carried Weight & Bound 2 Violence

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

ontario convention center

mix champagne lounge

Which events are coming up?

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

Cooper Museum Speaker Series: Chaffey Legacy in Australia

Open Mic Night at Wine Now!

EASA Culture Show

The Willow Place Presents: The Artist Collective Anniversary