Free science & tech events in Ontario, CA

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

Selling quickly
Unlocking the Power of SPECT Imaging for ADHD Treatment
Thursday at 12:00 PM
Amen Clinics Orange County
Selling quickly
Unlocking the Power of SPECT Imaging for ADHD Treatment
Thursday at 12:00 PM
Amen Clinics Orange County
Sushi, Safety, and Surveillance | Smarter Surveillance for Safer Campuses
Tue, Jun 24, 9:00 AM
18101 Von Karman Ave #100
Sushi, Safety, and Surveillance | Smarter Surveillance for Safer Campuses
Tue, Jun 24, 9:00 AM
18101 Von Karman Ave #100
Digital Skills Training Session at the Norwalk Library
Wed, May 28, 12:00 PM + 4 more
Norwalk Library
Digital Skills Training Session at the Norwalk Library
Wed, May 28, 12:00 PM + 4 more
Norwalk Library
Nearly full
Exclusive Dinner Presentation with Trethera
Wed, May 28, 6:00 PM
Seasons 52
Nearly full
Exclusive Dinner Presentation with Trethera
Wed, May 28, 6:00 PM
Seasons 52
FaithTech OC: AI Catalyzing a Cultural Renaissance w/John Knox
Wed, May 28, 6:30 PM
Hera Hub Irvine Coworking, Meeting, Event Space near Irvine Spectrum, Orange County
FaithTech OC: AI Catalyzing a Cultural Renaissance w/John Knox
Wed, May 28, 6:30 PM
Hera Hub Irvine Coworking, Meeting, Event Space near Irvine Spectrum, Orange County
Crypto Saturdays
Saturday at 6:00 PM + 16 more
52 Kite
Crypto Saturdays
Saturday at 6:00 PM + 16 more
52 Kite
Sales end soon
Montebello Code and Coffee
Thursday at 6:00 PM + 45 more
4000 Market Pl Dr
Sales end soon
Montebello Code and Coffee
Thursday at 6:00 PM + 45 more
4000 Market Pl Dr
Sales end soon
PCC Chemistry STEM Saturday - Spring 2025
Sat, May 31, 9:00 AM
Pasadena City College
Sales end soon
PCC Chemistry STEM Saturday - Spring 2025
Sat, May 31, 9:00 AM
Pasadena City College
Solarize Irvine 2025 Kickoff: Free Solar Workshop
Thu, May 29, 6:30 PM
Turtle Rock Community Center
Solarize Irvine 2025 Kickoff: Free Solar Workshop
Thu, May 29, 6:30 PM
Turtle Rock Community Center
Digital Skills Training Session at La Mirada Library
Sat, Jun 28, 10:00 AM + 6 more
La Mirada Library
Digital Skills Training Session at La Mirada Library
Sat, Jun 28, 10:00 AM + 6 more
La Mirada Library
Physics-Guided AI for Accelerating Scientific Discovery
Wed, Jun 4, 7:00 PM
Beckman Center
Physics-Guided AI for Accelerating Scientific Discovery
Wed, Jun 4, 7:00 PM
Beckman Center
The 5th Quantum Engineering Workshop, 2025
Thu, May 29, 8:00 AM
California Institute of Technology
The 5th Quantum Engineering Workshop, 2025
Thu, May 29, 8:00 AM
California Institute of Technology
Sales end soon
UXR OC Meetup
Thursday at 6:00 PM
SteelCraft Garden Grove
Sales end soon
UXR OC Meetup
Thursday at 6:00 PM
SteelCraft Garden Grove
Fujifilm Clean and Check Event - Samy's Camera Pasadena
Sat, Jun 14, 10:00 AM
Samy's Camera Pasadena
Fujifilm Clean and Check Event - Samy's Camera Pasadena
Sat, Jun 14, 10:00 AM
Samy's Camera Pasadena
Bionerds Mission Viejo Summer Camps
Fri, Jul 25, 10:00 AM
Norman P. Murray Community and Senior Center
Bionerds Mission Viejo Summer Camps
Fri, Jul 25, 10:00 AM
Norman P. Murray Community and Senior Center
Bionerds Rancho Santa Margarita Summer Camp
Mon, Aug 4, 9:00 AM + 4 more
22232 El Paseo
Bionerds Rancho Santa Margarita Summer Camp
Mon, Aug 4, 9:00 AM + 4 more
22232 El Paseo
Sales end soon
In-person Free Robotics Workshop For Kids at Lake Forest, CA (7-14yrs)
Sun, May 25, 11:00 AM
SpringHill Suites Irvine Lake Forest
Sales end soon
In-person Free Robotics Workshop For Kids at Lake Forest, CA (7-14yrs)
Sun, May 25, 11:00 AM
SpringHill Suites Irvine Lake Forest
Sales end soon
In-Person Free Coding Workshop For Kids at Lake Forest, CA (7-14 yrs)
Sun, May 25, 11:00 AM
SpringHill Suites Irvine Lake Forest
Sales end soon
In-Person Free Coding Workshop For Kids at Lake Forest, CA (7-14 yrs)
Sun, May 25, 11:00 AM
SpringHill Suites Irvine Lake Forest
Free Digital Skills Training Session at the East Los Angeles Library
Sat, Jun 21, 10:00 AM + 6 more
East Los Angeles Library
Free Digital Skills Training Session at the East Los Angeles Library
Sat, Jun 21, 10:00 AM + 6 more
East Los Angeles Library
Data 101
Wed, Aug 20, 11:00 AM
3475 E Foothill Blvd suite 100
Data 101
Wed, Aug 20, 11:00 AM
3475 E Foothill Blvd suite 100

Trends in Ontario

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Frequently asked questions about Ontario

What are the best free events to attend?

According to Eventbrite, the best free events are:

Sushi, Safety, and Surveillance | Smarter Surveillance for Safer Campuses

Digital Skills Training Session at the Norwalk Library

Exclusive Dinner Presentation with Trethera

FaithTech OC: AI Catalyzing a Cultural Renaissance w/John Knox

Which events are currently trending in Ontario?

The trending searches this month in Ontario are:

Which free events are coming up?

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

Unlocking the Power of SPECT Imaging for ADHD Treatment

Montebello Code and Coffee

UXR OC Meetup

Crypto Saturdays

Unlocking the Power of SPECT Imaging for ADHD Treatment

Unlocking the Power of SPECT Imaging for ADHD Treatment

Sushi, Safety, and Surveillance | Smarter Surveillance for Safer Campuses

Sushi, Safety, and Surveillance | Smarter Surveillance for Safer Campuses

Digital Skills Training Session at the Norwalk Library

Digital Skills Training Session at the Norwalk Library

Exclusive Dinner Presentation with Trethera

Exclusive Dinner Presentation with Trethera

FaithTech OC: AI Catalyzing a Cultural Renaissance w/John Knox

FaithTech OC: AI Catalyzing a Cultural Renaissance w/John Knox

Crypto Saturdays

Crypto Saturdays

Montebello Code and Coffee

Montebello Code and Coffee

PCC Chemistry STEM Saturday - Spring 2025

PCC Chemistry STEM Saturday - Spring 2025

Solarize Irvine 2025 Kickoff: Free Solar Workshop

Solarize Irvine 2025 Kickoff: Free Solar Workshop

Digital Skills Training Session at La Mirada Library

Digital Skills Training Session at La Mirada Library

Physics-Guided AI for Accelerating Scientific Discovery

Physics-Guided AI for Accelerating Scientific Discovery

The 5th Quantum Engineering Workshop, 2025

The 5th Quantum Engineering Workshop, 2025

UXR OC Meetup

UXR OC Meetup

Fujifilm Clean and Check Event - Samy's Camera Pasadena

Fujifilm Clean and Check Event - Samy's Camera Pasadena

Bionerds Mission Viejo Summer Camps

Bionerds Mission Viejo Summer Camps

Bionerds Rancho Santa Margarita Summer Camp

Bionerds Rancho Santa Margarita Summer Camp

In-person Free Robotics Workshop For Kids at Lake Forest, CA (7-14yrs)

In-person Free Robotics Workshop For Kids at Lake Forest, CA (7-14yrs)

In-Person Free Coding Workshop For Kids at Lake Forest, CA (7-14 yrs)

In-Person Free Coding Workshop For Kids at Lake Forest, CA (7-14 yrs)

Free Digital Skills Training Session at the East Los Angeles Library

Free Digital Skills Training Session at the East Los Angeles Library

Data 101

Data 101

Things to do around Ontario

Trends in Ontario

1. Egg hunt

2. Easter

3. Inland empire

4. Mother's day

5. Job fairs

6. Cinco de

7. Mix champagne lounge

8. Ontario convention center

9. Free kids

10. Car shows

11. Concerts

12. June