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Lost Dogs Database for Ontario, CA

Search lost and found dogs, as well as other pets, in the Ontario area with PawBoost.

894 lost dogs in your search

Lost Female Dog last seen Pine Kendall, San Bernardino, CA 92407

Reported 1 month ago, updated 3 days ago

Bb Female Dog

LOST PawBoost ID: 73360843


San Bernardino, CA 92407

View Pet

Lost Female Dog last seen Crestview and Hillcrest, Monrovia, CA 91016

Reported 1 month ago, updated 3 days ago

Katyusha Female Dog

LOST PawBoost ID: 73382151


Monrovia, CA 91016

Small white and tan chihuahua

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Lost Female Dog last seen W 30th st San Bernardino, San Bernardino, CA 92405

Reported 1 month ago, updated 3 days ago

Kisha Female Dog

LOST PawBoost ID: 73345895


San Bernardino, CA 92405

Pug

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Lost Female Dog last seen 8th between My View and Arrowhead, San Bernardino, CA 92401

Reported 1 week ago, updated 3 days ago

Lil Bit Female Dog

LOST PawBoost ID: 73494151


San Bernardino, CA 92401

Just a few months old. White Maltipoo

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Lost Female Dog last seen El Molino Idyllwild, Bloomington, CA 92316

Reported 2 weeks ago, updated 3 days ago

Bella Female Dog

LOST PawBoost ID: 73479845


Bloomington, CA 92316

Kinda has a white chest

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Lost Female Dog last seen Maxson rd el monte ca, El Monte, CA 91732

Reported 3 months ago, updated 3 days ago

Carino Female Dog

LOST PawBoost ID: 73141044


El Monte, CA 91732

White maltipoo with light brown spots on her back and light brown ears

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Lost Male Dog last seen Charismatic, Moreno Valley, CA 92555

Reported 2 months ago, updated 3 days ago

Jameson Male Dog

LOST PawBoost ID: 73294811


Moreno Valley, CA 92555

Poodle white male

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Lost Male Dog last seen West Covina Pkwy and Sunset, West Covina, CA 91790

Reported 5 days ago, updated 3 days ago

Spud Male Dog

LOST PawBoost ID: 73509411


West Covina, CA 91790

Black and Golden Brown German Shepherd

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Lost Female Dog last seen Near U.C. Riverside, Riverside, CA 92507

Reported 3 years ago, updated 3 days ago

Scruffy Female Dog

LOST PawBoost ID: 69246562


Riverside, CA 92507

Our darling girl Scruffy ran away after hearing fireworks. She was getting ready for bed. She has a tan & white "t-shaped" patch of fur on her underbelly between her two front legs. Scruffy was last seen wearing onesie pajamas that are grey, running the full length of her body and has mickey mouse faces all over it. We are heartbroken please email or call . 😭

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Lost Male Dog last seen Nason, Moreno Valley, CA 92553

Reported 6 days ago, updated 3 days ago

Jax Male Dog

LOST PawBoost ID: 73508456


Moreno Valley, CA 92553

Brown

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Lost Female Dog last seen La Sierra and Pierce, Riverside, Riverside, CA 92505

Reported 3 days ago

Mocha Female Dog

LOST PawBoost ID: 73517916


Riverside, CA 92505

Whiteish female poodle, 15-20lbs, light pink collar. (This picture is from a posting from someone who spotted her earlier today- she’s clearly very dirty now)

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Lost Female Dog last seen Indian summer, La Puente, CA 91744

Reported 2 months ago, updated 4 days ago

Teddy Female Dog

LOST PawBoost ID: 73320095


La Puente, CA 91744

White Cockapoo with one eye

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Lost Male Dog last seen Lone Acres Ct, Ringstem in Rancho Cucamonga, Rancho Cucamonga, CA 91737

Reported 4 months ago, updated 4 days ago

Enzo Male Dog

LOST PawBoost ID: 72980668


Rancho Cucamonga, CA 91737

Blue, Tan, Gold

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Lost Female Dog last seen Jurupa ave. And Poplar st, Fontana, CA 92337

Reported 4 months ago, updated 4 days ago

Layla Female Dog

LOST PawBoost ID: 73086611


Fontana, CA 92337

Tan with white and black tail line. Curled tail.

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Lost Female Dog last seen The Diamond Bar Center, Diamond Bar, CA 91765

Reported 4 days ago

Bling Female Dog

LOST PawBoost ID: 73517115


Diamond Bar, CA 91765

Blue Collar, white spot on left toe

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Lost Male Dog last seen Bellegrave and bain, Jurupa Valley, CA 91752

Reported 6 days ago, updated 4 days ago

Oliver Male Dog

LOST PawBoost ID: 73508358


Jurupa Valley, CA 91752

Oliver is a husky / German Shepard mix . He has stitches on his back paws

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Lost Male Dog last seen Near coulston st unit 13, San Bernardino, CA 92408

Reported 1 year ago, updated 4 days ago

Buster Male Dog

LOST PawBoost ID: 71634214


San Bernardino, CA 92408

White and brindle brown French bulldog he has a serial number tattoo his left side

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Lost Female Dog last seen Santa Ana and Alder, Bloomington, CA 92316

Reported 1 month ago, updated 4 days ago

Luna Female Dog

LOST PawBoost ID: 73397521


Bloomington, CA 92316

Chihuahua, black

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Lost Male Dog last seen Francisquito Ave, and Puente Ave, Baldwin Park, CA 91706

Reported 2 years ago, updated 4 days ago

Katsu Male Dog

LOST PawBoost ID: 71207406


Baldwin Park, CA 91706

Tan and white male shiba inu

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Lost Male Dog last seen Day, Perris, CA 92570

Reported 4 days ago

Nemo Male Dog

LOST PawBoost ID: 73516118


Perris, CA 92570

White maltipoo

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Lost Dog Data for Ontario, CA

There are 894 lost dogs in Ontario, CA.

Find Local Dog Shelters in Ontario, CA

PawBoost has communities of dog-lovers across the country and beyond that help find missing dogs, and that means partnerships with dog shelters in the US and in Canada.

Are you a team member at a shelter not yet partnered with PawBoost?

Request Shelter Partnership

Find Your Dog Sooner with PawBoost

When you have a missing dog, it can be difficult to know what to do in the moment.

How do I find my dog? Do I have to visit the dog shelters in my area in person, or is it okay to just call? How can I get the word out to my local community in Ontario?

With our free tools and premium add-on services, PawBoost helps lost dog owners find their furry loved ones – 2,334,178 pets reunited and counting!

Find your lost dog faster with PawBoost.

Report Lost Dog

Frequently Asked Questions

I lost my dog. What should I do?

Take advantage of online platforms – they help you get the word out, quickly and easily. You can report your lost dog to PawBoost in no time flat. We'll send an email alert to our local members, post to the PawBoost-powered Facebook page for your area, add your dog to our lost & found, and make a lost dog flyer – all for free.

Other sites that help you raise local awareness for your lost dog with minimal time and effort are Nextdoor.com – a PawBoost partner – and Craigslist. Both of these sites have very active lost & found sections mainly used for lost pets. We highly recommend you use these resources in addition to PawBoost!

Visit your local shelters and animal control agencies in person. Details can get lost in translation over the phone and that might lead to missed connection.

If chipped, make sure your dog's microchip is registered and up to date. If you don't know your pet's chip manufacturer or number, your vet should be able to help locate this information.

Put up flyers and tell your neighbors to be on the lookout. The more you engage the Ontario community, the better your chances of a happy reunion!

Read our full guide on how to find your lost dog for more actionable tips.

Where do I report a lost dog in Ontario, CA?

If you lost a dog, we would like to help. You can report a lost dog to PawBoost for free to help find your dog in the Ontario area. Millions of pet lovers have signed up for our local lost & found pet alerts, and that includes pet lovers near Ontario!

Do I have to pay for premium PawBoost services to find my lost dog?

You don't have to pay to find your lost pet with PawBoost. PawBoost's free dog finder services have helped millions of people reunite with their lost dogs.

PawBoost does offer premium upgrades to help increase the reach of your lost pet alert.

You can learn more about what free and premium services PawBoost offers here.