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Events in

Diamond Bar, California

Find events in Diamond Bar to connect with people who share your interests. Whatever your interest, Meetup helps you connect with like-minded people.

Events in Diamond Bar, California

Events in Diamond Bar

Browse the most popular activities in Diamond Bar

Weekday Wind-down: Casual Board Game Night @ Haven City Market

Weekday Wind-down: Casual Board Game Night @ Haven City Market

by Tabletop Therapy: Board Games Group
Games Gathering

Games Gathering

by So Cal Game Connection
Board of Games: Monday Nites at Roscoes.

Board of Games: Monday Nites at Roscoes.

by Board of Games
BrewMeisters Toastmasters

BrewMeisters Toastmasters

by District 100 Toastmasters
🎄Yorba Linda 🎅 Neighborhood ⭐️ Holiday Walk at East Lake Village ⛄️

🎄Yorba Linda 🎅 Neighborhood ⭐️ Holiday Walk at East Lake Village ⛄️

by Fun Events in Orange County
Casual Chess!

Casual Chess!

by Cucamonga Chess
Let's enjoy the holidays with dancing at Azo Vino

Let's enjoy the holidays with dancing at Azo Vino

by Southern Cal Fun Friends (50 & up)
Casual Japanese–English Language Exchange in Chino

Casual Japanese–English Language Exchange in Chino

by Japanese Language Exchange - Chino

Events in Diamond Bar today

Check out the best activities in Diamond Bar today

Connect & Collaborate Mixer — BNI BUSINESS REFERRAL NETWORK Edition

Connect & Collaborate Mixer — BNI BUSINESS REFERRAL NETWORK Edition

by SoCal Networking
HAPPY HOUR NETWORKING

HAPPY HOUR NETWORKING

by NOC Business Referral Network
Business Referral Network

Business Referral Network

by NOC Business Referral Network
Downtown Chess Society

Downtown Chess Society

by LA CHESS
Open gaming in Pomona

Open gaming in Pomona

by Game Nights Gaming Group
Tuesday Evening Women's Hike

Tuesday Evening Women's Hike

by Women's RAIN Journey - Diamond Bar
$15.00
Tarot Tuesday

Tarot Tuesday

by Holistic Healers Community
Level 4/5: BNR (BOBies Night Ride). 26 miles.

Level 4/5: BNR (BOBies Night Ride). 26 miles.

by BOBie Cycling Club

Events in Diamond Bar this weekend

Browse the most interesting activities of the weekend in Diamond Bar

FREE: BYO Fiber Arts + Yarn Swap! 🧶 (crochet, knitting, embroidery, etc.)

FREE: BYO Fiber Arts + Yarn Swap! 🧶 (crochet, knitting, embroidery, etc.)

by SoCal Adult Arts and Crafts Meetup Group
LET'S ROCK! Winter Solstice Sister-Fest Fullerton Pride Fundraiser

LET'S ROCK! Winter Solstice Sister-Fest Fullerton Pride Fundraiser

by So Many Women...So Little Time
Toastmasters at Fullerton Free

Toastmasters at Fullerton Free

by District 100 Toastmasters
Zen Meditation (Weekly)

Zen Meditation (Weekly)

by Fullerton Zen Meditation Group
Casual Japanese–English Language Exchange in Chino

Casual Japanese–English Language Exchange in Chino

by Japanese Language Exchange - Chino
Casual Chess!

Casual Chess!

by Cucamonga Chess
Smooth & Funky Dinner Meetup at the Glendora Continental

Smooth & Funky Dinner Meetup at the Glendora Continental

by Classic R&B Meetup Group
$40.00
END OF YEAR Healing Meditation with Spiritual Doctor Coach Afi G!

END OF YEAR Healing Meditation with Spiritual Doctor Coach Afi G!

by Spiritual Pathfinders - Pomona

Most popular groups in Diamond Bar

And if you don't find the right group for you, you can always start your own!

Organize your own group in Diamond Bar, California

Bring people together around what you love. Create a group, host events, and build your community.

Frequently Asked Questions

If you want to meet new people, socialize more, or even explore dating-friendly events in Diamond Bar, you'll find plenty of group activities or singles-friendly meetups here. These events are a great way to connect naturally and avoid feeling lonely while having fun.

Absolutely! From hiking groups to relaxed outdoor walks, you can check out all our open-air events here

Yes! From running and yoga to football, volleyball, and fitness classes, you can discover a wide range of sports and active meetups in Diamond Bar here

You can discover concerts, open-mic nights, DJ sets, and other live music events in Diamond Bar right here

Yes! To see everything taking place today—from workshops to social gatherings—just check the full list here

You can browse all upcoming weekend events in Diamond Bar—including outdoor meetups, social activities, and more—here

Meet new people in Diamond Bar

Find the best activities to meet new friends in Diamond Bar

Christmas Lights at East Lake Village in Yorba Linda

Christmas Lights at East Lake Village in Yorba Linda

by " F*ck It I'm Single " Social fun & friends & adventures.
HOLIDAY LUNCH AT RED LOBSTER IN BREA

HOLIDAY LUNCH AT RED LOBSTER IN BREA

by OC Good Life
Noteworthy Connections: West Covina- We’re Not Really Strangers & Breakfast

Noteworthy Connections: West Covina- We’re Not Really Strangers & Breakfast

by SoCal 20s, 30s and 40s Social Club
CHRISTMAS LUNCH: DECEMBER 18th; LOCATION CHANGE

CHRISTMAS LUNCH: DECEMBER 18th; LOCATION CHANGE

by Prime Time Seniors Group, Age 60+
💛Glow up 2026!🌟

💛Glow up 2026!🌟

by SoCal Singles
🎄Yorba Linda 🎅 Neighborhood ⭐️ Holiday Walk at East Lake Village ⛄️

🎄Yorba Linda 🎅 Neighborhood ⭐️ Holiday Walk at East Lake Village ⛄️

by Fun Events in Orange County
Let's enjoy the holidays with dancing at Azo Vino

Let's enjoy the holidays with dancing at Azo Vino

by Southern Cal Fun Friends (50 & up)

Outdoor activities in Diamond Bar

Find the best outdoor activities and adventures in Diamond Bar

Gilman Peak, Chino Hills State Park

Gilman Peak, Chino Hills State Park

by Sierra Club - Puente/Chino Hills Task Force
2025-Dec: Autumn Morning in Chino Hills State Park-OC Fall Foliage/Levels 2 up

2025-Dec: Autumn Morning in Chino Hills State Park-OC Fall Foliage/Levels 2 up

by HikingOC (Meet to Hike in Orange County & Travel the World)
Grateful for Bugs, Birds and Rain!

Grateful for Bugs, Birds and Rain!

by Puente Hills Preserve Hikers
10,000 Steps Hikes

10,000 Steps Hikes

by Puente Hills Preserve Hikers
Gilman Peak, Chino Hills State Park (PCHTF)

Gilman Peak, Chino Hills State Park (PCHTF)

by Orange County Sierrans
Bane Canyon Short Loop Trail (Chino Hills New Years Day Hike)

Bane Canyon Short Loop Trail (Chino Hills New Years Day Hike)

by Journey Junkies

Sports & Fitness events in Diamond Bar

Find the best activities for sports and fitness enthusiasts in Diamond Bar

$5.00
RENEW SPORTS - BEGINNERS VOLLEYBALL

RENEW SPORTS - BEGINNERS VOLLEYBALL

by 🏀 Renew Sports Gym (Basketball, Volleyball, Pickleball)🏐🏓
SUN @ 1pm Anaheim Grass Volleyball (Intermediate)

SUN @ 1pm Anaheim Grass Volleyball (Intermediate)

by SoCal Grass Volleyball
SAT @ 2pm Hacienda Heights Grass Volleyball (All Levels)

SAT @ 2pm Hacienda Heights Grass Volleyball (All Levels)

by SoCal Grass Volleyball
Tuesday Night Social Run

Tuesday Night Social Run

by A Snail's Pace Running Shop Weekly Runs
ASP Monday Night Chino Hills Social Run

ASP Monday Night Chino Hills Social Run

by A Snail's Pace Running Shop Weekly Runs
ASP Monday Night Chino Hills Social Run

ASP Monday Night Chino Hills Social Run

by A Snail's Pace Running Shop Weekly Runs
Bonelli Loops

Bonelli Loops

by Cycling Connection Rancho Cucamonga

Live music events in Diamond Bar

Find the best activities for music lovers in Diamond Bar

Free Christmas Jazz Combo Concert!

Free Christmas Jazz Combo Concert!

by Fullerton Contemplative Piano Music Meetup
Free Big Band Christmas Jazz Concert!

Free Big Band Christmas Jazz Concert!

by Fullerton Contemplative Piano Music Meetup
Sing for Fun – Join Our Weekly Barbershop Chorus Rehearsal

Sing for Fun – Join Our Weekly Barbershop Chorus Rehearsal

by Orange Empire Chorus
Rythmic Journey Drum Circle Claremont

Rythmic Journey Drum Circle Claremont

by Rhythmic Journey Community Drum Circle (Claremont)
Contemplative piano music

Contemplative piano music

by Fullerton Contemplative Piano Music Meetup