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Events in Ontario, CA

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

Rooftop Supper Club
Sat, Jul 26, 6:30 PM
The Fox Theater Pomona
Rooftop Supper Club
Sat, Jul 26, 6:30 PM
The Fox Theater Pomona
AHA Heartsaver - First Aid/CPR/AED (Sat, July 19, 2025) **NEW LOCATION**
Sat, Jul 19, 9:00 AM
Alliance Community Cultural Center
AHA Heartsaver - First Aid/CPR/AED (Sat, July 19, 2025) **NEW LOCATION**
Sat, Jul 19, 9:00 AM
Alliance Community Cultural Center
Sales end soon
DBZ BACKSTAGE & KONDOR ENT PRESENTS: HEADLINER ANNOUNCED DAY OF EVENT
Sunday at 6:00 PM
317 W 6th St
Sales end soon
DBZ BACKSTAGE & KONDOR ENT PRESENTS: HEADLINER ANNOUNCED DAY OF EVENT
Sunday at 6:00 PM
317 W 6th St
Fontana 2nd Annual Business Summit
Thu, Aug 7, 8:00 AM
Jessie Turner Health and Fitness Community Center
Fontana 2nd Annual Business Summit
Thu, Aug 7, 8:00 AM
Jessie Turner Health and Fitness Community Center
Sales end soon
POP UP CLASS KENZIE FISCHER
Monday at 4:00 PM
K2 Dance Studios
Sales end soon
POP UP CLASS KENZIE FISCHER
Monday at 4:00 PM
K2 Dance Studios
SOLEKT SUNDAYS 1 YR ANNIVERSARY
Sun, Jul 20, 4:00 PM
Killer Queens Social House
SOLEKT SUNDAYS 1 YR ANNIVERSARY
Sun, Jul 20, 4:00 PM
Killer Queens Social House
Back 2 School Skate Party
Sun, Jul 27, 5:00 PM
Skate Express
Back 2 School Skate Party
Sun, Jul 27, 5:00 PM
Skate Express
Upland High School Class of 2015 - 10 Year Reunion
Sat, Sep 20, 6:00 PM
Mt Baldy Brewery
Upland High School Class of 2015 - 10 Year Reunion
Sat, Sep 20, 6:00 PM
Mt Baldy Brewery
Selling quickly
Living Dead Ghouls
Fri, Jul 18, 10:00 PM
Cupid's Coven Wedding Chapel
Selling quickly
Living Dead Ghouls
Fri, Jul 18, 10:00 PM
Cupid's Coven Wedding Chapel
David's FREE Youth Basketball Day Camp (Ages 6-12)
Sun, Jul 27, 11:00 AM
Alumni Pavilion
David's FREE Youth Basketball Day Camp (Ages 6-12)
Sun, Jul 27, 11:00 AM
Alumni Pavilion
Sales end soon
Discover the Big Blue Marble - Week #3 of JMDC's Discovery Day Camp
Monday at 9:00 AM
Jurupa Mountains Discovery Center
Sales end soon
Discover the Big Blue Marble - Week #3 of JMDC's Discovery Day Camp
Monday at 9:00 AM
Jurupa Mountains Discovery Center
THE OUTPOURING 2025
Thu, Sep 25, 9:00 AM
DoubleTree by Hilton Hotel Ontario Airport
THE OUTPOURING 2025
Thu, Sep 25, 9:00 AM
DoubleTree by Hilton Hotel Ontario Airport
2025 Inland Empire Regional
Sun, Aug 10, 8:30 AM
Mission Inn Hotel & Spa
2025 Inland Empire Regional
Sun, Aug 10, 8:30 AM
Mission Inn Hotel & Spa
Nearly full
Speed Dating Riverside Singles 24-39
Tomorrow at 2:00 PM
Palenque kitchen by Mezcal
Nearly full
Speed Dating Riverside Singles 24-39
Tomorrow at 2:00 PM
Palenque kitchen by Mezcal
**NEW DATE **SBR Leadership Symposium
Sat, Sep 6, 8:30 AM
Mt Sinai COGIC
**NEW DATE **SBR Leadership Symposium
Sat, Sep 6, 8:30 AM
Mt Sinai COGIC
Selling quickly
Paint n Sip Party!! Summer Scream Series!! Campfire Tales!!
Tomorrow at 1:00 PM
Route 30 Brewing Company
Selling quickly
Paint n Sip Party!! Summer Scream Series!! Campfire Tales!!
Tomorrow at 1:00 PM
Route 30 Brewing Company
Sundresses & Tequila
Sun, Jul 20, 3:00 PM
Epic Events Center
Sundresses & Tequila
Sun, Jul 20, 3:00 PM
Epic Events Center
SECC Youth Leadership Convention 2025
Fri, Sep 12, 6:00 PM
La Sierra University - Zapara School of Business
SECC Youth Leadership Convention 2025
Fri, Sep 12, 6:00 PM
La Sierra University - Zapara School of Business
Sales end soon
(RANCHO) Make it Rain Pole Showcase
Fri, Jul 18, 7:00 PM
IE LUX Dance Studio | Secret Pole Dance Studio
Sales end soon
(RANCHO) Make it Rain Pole Showcase
Fri, Jul 18, 7:00 PM
IE LUX Dance Studio | Secret Pole Dance Studio
Sales end soon
Desmadre at Frets Music
Tue, Jul 22, 6:00 PM
Fret's Music
Sales end soon
Desmadre at Frets Music
Tue, Jul 22, 6:00 PM
Fret's Music

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:

Rooftop Supper Club

AHA Heartsaver - First Aid/CPR/AED (Sat, July 19, 2025) **NEW LOCATION**

Fontana 2nd Annual Business Summit

POP UP CLASS KENZIE FISCHER

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

Which events are coming up?

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

Paint n Sip Party!! Summer Scream Series!! Campfire Tales!!

Speed Dating Riverside Singles 24-39

DBZ BACKSTAGE & KONDOR ENT PRESENTS: HEADLINER ANNOUNCED DAY OF EVENT

Discover the Big Blue Marble - Week #3 of JMDC's Discovery Day Camp