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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.

954 lost dogs in your search

Lost Female Dog last seen Whittier bl Whittier CA, Whittier, CA 90602

Reported 2 months ago

Halo Female Dog

LOST PawBoost ID: 72719697


Whittier, CA 90602

11lbs, very friendly White mixed chihuahua

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Lost Male Dog last seen Parlor Bar parking lot , Whittier, CA 90605

Reported 4 months ago, updated 2 months ago

Logan Male Dog

LOST PawBoost ID: 72530493


Whittier, CA 90605

Tan with white paws not wearing collar but is chipped

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Lost Female Dog last seen Barrydale st , City of Industry, CA 91746

Reported 2 months ago, updated 2 months ago

Lemmy Female Dog

LOST PawBoost ID: 72716264


City of Industry, CA 91746

White dog with a pink chain collar

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Lost Female Dog last seen John F Kennedy Elementary, Riverside, CA 92508

Reported 2 months ago, updated 2 months ago

Lila Or Laila Female Dog

LOST PawBoost ID: 72695271


Riverside, CA 92508

She is an extremely skinny, and currently shaved for the weather. She responds to treat and is very friendly. She is a Teacup Maltipoo, and her name is Lila but my mom spelt her name wrong and it says Laila.

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Lost Male Dog last seen Near s Glenn Alan ave West Covina ca , West Covina, CA 91791

Reported 2 months ago

Coco Male Dog

LOST PawBoost ID: 72718582


West Covina, CA 91791

Small brown mix terrier he’s shy

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Lost Female Dog last seen Mission street, Riverside, CA 92509

Reported 3 months ago, updated 2 months ago

Lolis Female Dog

LOST PawBoost ID: 72625110


Riverside, CA 92509

Grey miniature schnauzer

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Lost Female Dog last seen Devore animal shelter , San Bernardino, CA 92407

Reported 2 months ago

Gorda Female Dog

LOST PawBoost ID: 72717999


San Bernardino, CA 92407

She is on the bigger side has her white striped from her mouth to her chest

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Lost Male Dog last seen Cottonwood , Riverside, CA 92506

Reported 3 months ago, updated 2 months ago

Shadow Male Dog

LOST PawBoost ID: 72637997


Riverside, CA 92506

Not fixed no chip. straight pointy ears curled tail hair on legs not cut hair on top of head left long in between ears silky white silver colored.

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Lost Male Dog last seen Sequoia middle school, Fontana, CA 92335

Reported 2 months ago

Kiko Male Dog

LOST PawBoost ID: 72717617


Fontana, CA 92335

Black and white, sweet boy

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Lost Female Dog last seen Pioneer st, Santa Fe Springs, CA 90670

Reported 6 months ago, updated 2 months ago

Chiquita Female Dog

LOST PawBoost ID: 72383153


Santa Fe Springs, CA 90670

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Lost Female Dog last seen W Rialto Avenue, San Bernardino, CA 92410

Reported 4 months ago, updated 2 months ago

Bella Female Dog

LOST PawBoost ID: 72515674


San Bernardino, CA 92410

Chihuahua mix breed, black coat with white on her stomach to some of her legs and white on her face, she’s 17 years old and can’t see nor smell good. Smooth coat.

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Lost Male Dog last seen Near s glenn alan ave west covina ca 91791, West Covina, CA 91791

Reported 2 months ago, updated 2 months ago

Coco garcia Male Dog

LOST PawBoost ID: 72714775


West Covina, CA 91791

Light brown small yorkie terrier with a blue bandana on his neck he is neutered

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Lost Male Dog last seen Neighborhood, Moreno Valley, CA 92557

Reported 2 months ago

N/A Male Dog

LOST PawBoost ID: 72716465


Moreno Valley, CA 92557

He came with his body shaved and no collar. I am unsure but he does look like a great pyrness or at least a mix or golden retriever but still unsure

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Lost Male Dog last seen Soto, Rialto, CA 92376

Reported 3 months ago, updated 2 months ago

Rubi Soto Male Dog

LOST PawBoost ID: 72680655


Rialto, CA 92376

Está muy chiquito no se de raza pero está bien bonito y se me aserco no le dio miedo

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Lost Male Dog last seen Near SGM Meat Market, Baldwin Park, CA 91706

Reported 2 months ago, updated 2 months ago

BEAR Male Dog

LOST PawBoost ID: 72709682


Baldwin Park, CA 91706

White Chihuahua Some Light Brown on him small, nice dog

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Lost Female Dog last seen Mills and foothill, Claremont, CA 91711

Reported 3 months ago, updated 2 months ago

Cheifa Female Dog

LOST PawBoost ID: 72681946


Claremont, CA 91711

Yorkie puppy

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Lost Male Dog last seen Citrus, Orange, CA 92868

Reported 2 months ago

Cheeto Male Dog

LOST PawBoost ID: 72715974


Orange, CA 92868

Frenchie with brown , black and a bit of white

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Lost Female Dog last seen Linden Ave and Rialto Ave , Rialto, CA 92376

Reported 3 months ago, updated 2 months ago

Nova Female Dog

LOST PawBoost ID: 72669372


Rialto, CA 92376

Brown And Black Yorkie

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Lost Male Dog last seen Riverside  and Sierra ave, Fontana, CA 92336

Reported 4 months ago, updated 2 months ago

Twitch Male Dog

LOST PawBoost ID: 72505821


Fontana, CA 92336

Black and white pit bull

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Lost Female Dog last seen 17th st and 1810 N Broadway st , Santa Ana , Santa Ana, CA 92706

Reported 2 months ago

Bootsie Female Dog

LOST PawBoost ID: 72714806


Santa Ana, CA 92706

View Pet

Lost Dog Data for Ontario, CA

There are 954 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 – 2,229,888 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.