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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.

886 lost dogs in your search

Lost Male Dog last seen Meats,/Shaffer in orange, Orange, CA 92865

Reported 2 months ago

Bubba Male Dog

LOST PawBoost ID: 72752364


Orange, CA 92865

Husky

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Lost Female Dog last seen Maybe somewhere on golden star Ave , Riverside, CA 92504

Reported 2 months ago, updated 2 months ago

Boop Female Dog

LOST PawBoost ID: 72696954


Riverside, CA 92504

Red and white gray collar

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Lost Female Dog last seen Near S. holly Place , West Covina, CA 91790

Reported 2 months ago

Sophie Female Dog

LOST PawBoost ID: 72752029


West Covina, CA 91790

Grey miniature schnauzer

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Lost Male Dog last seen Riverside, Turner, North Shore, Ontario, CA 91761

Reported 2 months ago

Gregorio Male Dog

LOST PawBoost ID: 72750978


Ontario, CA 91761

Small Blondish Chihuahua with pointy ears and a floppy tail

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Lost Female Dog last seen Near Kansas Ave , Riverside, CA 92507

Reported 2 months ago, updated 2 months ago

Penny Female Dog

LOST PawBoost ID: 72693697


Riverside, CA 92507

Yorkie Terrier, 9 pounds, light coat, 4 years old

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Lost Male Dog last seen E Monterey ave, Pomona, CA 91767

Reported 4 months ago, updated 2 months ago

Terry Male Dog

LOST PawBoost ID: 72543701


Pomona, CA 91767

Black lab white chest scar on left leg

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Lost Male Dog last seen La mesa , Phelan, CA 92371

Reported 6 months ago, updated 2 months ago

Twister Male Dog

LOST PawBoost ID: 72344047


Phelan, CA 92371

Beige tanish with a lil black in the ears

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Lost Female Dog last seen She was seen at a side exist gate next to a pilot at my mobile  on cedar ave  and the street side she was near was Santa Ana., Bloomington, CA 92316

Reported 2 months ago

Kelly Female Dog

LOST PawBoost ID: 72749759


Bloomington, CA 92316

She’s a small medium size dog that is half mix with a terrier but we don’t know the rest since she was rescued when she was a couple months old and now she is around 8-9 months old with white to tan color and on her bottom stomach she has a brown marking with a bit of tan pink and she has a blue collar with pink roses on it with a metal copper tone. Her eye color is dark brown

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Lost Female Dog last seen Lincoln ave & Evelyn dr Anaheim , Anaheim, CA 92806

Reported 2 months ago, updated 2 months ago

Luna Female Dog

LOST PawBoost ID: 72741019


Anaheim, CA 92806

Yorkie 3 pounds

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Lost Male Dog last seen Bloomington ca, Fontana, CA 92334

Reported 2 months ago

No Name Male Dog

LOST PawBoost ID: 72748945


Fontana, CA 92334

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Lost Female Dog last seen Lincoln ave and Evelyn dr, Anaheim, CA 92815

Reported 2 months ago, updated 2 months ago

Luna Female Dog

LOST PawBoost ID: 72741141


Anaheim, CA 92815

Small yorkie black and brown

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Lost Male Dog last seen Cadwell and Amar, in between the alley, La Puente, CA 91744

Reported 2 months ago

Bruno Male Dog

LOST PawBoost ID: 72746566


La Puente, CA 91744

Black, brown, and white yorkie

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Lost Male Dog last seen Arlington Ave and Alessandro blvd, Riverside, CA 92506

Reported 3 months ago, updated 2 months ago

Marley Male Dog

LOST PawBoost ID: 72661832


Riverside, CA 92506

Mini Australian Shepherd - blue Merle

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Lost Female Dog last seen Walnut village , Fontana, CA 92335

Reported 3 months ago, updated 2 months ago

Zoeyyy Female Dog

LOST PawBoost ID: 72602009


Fontana, CA 92335

White maltese/poodle no collar no chip

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Lost Female Dog last seen Via vista, canyon hill , Riverside, CA 92506

Reported 2 months ago, updated 2 months ago

Minion Female Dog

LOST PawBoost ID: 72738194


Riverside, CA 92506

Yorkie, yellow black and greyish hair

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Lost Male Dog last seen Fairplex and Arroyo , Pomona, CA 91768

Reported 5 months ago, updated 2 months ago

Chiquilin Male Dog

LOST PawBoost ID: 72476428


Pomona, CA 91768

White, Maltese mix

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Lost Female Dog last seen Avante apmts , Ontario, CA 91764

Reported 3 months ago, updated 2 months ago

Amari Female Dog

LOST PawBoost ID: 72684724


Ontario, CA 91764

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Lost Male Dog last seen El contento , Fontana, CA 92337

Reported 2 months ago

Tuxedo & Simba Male Dog

LOST PawBoost ID: 72744308


Fontana, CA 92337

there is 2 dogs

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Lost Female Dog last seen Day creek and baseline , Rancho Cucamonga, CA 91739

Reported 2 months ago

Chevy Female Dog

LOST PawBoost ID: 72744277


Rancho Cucamonga, CA 91739

Brown Boston terrier

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Lost Male Dog last seen Pioneer Way and Wildrye Drive, San Bernardino, CA 92407

Reported 2 months ago

Snoopy Male Dog

LOST PawBoost ID: 72743563


San Bernardino, CA 92407

White and black

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Lost Dog Data for Ontario, CA

There are 886 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 – 2,229,628 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.