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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.

953 lost dogs in your search

Lost Male Dog last seen C street Colton ca, Colton, CA 92324

Reported 1 year ago, updated 52 mins ago

Bolt Male Dog

LOST PawBoost ID: 71606032


Colton, CA 92324

white and light brown spots on body, 1 year old male, black circle spots on nose and black spots on stomach

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Lost Female Dog last seen N Mount Vernon Ave Colton CA, Colton, CA 92324

Reported 1 day ago, updated 2 hours ago

Jude Female Dog

LOST PawBoost ID: 72959608


Colton, CA 92324

She's a tan chiweenie and has growing hair at the back of her body

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Lost Male Dog last seen 3rd and sierra near Manuel p Moreno jr park , San Bernardino, CA 92410

Reported 2 months ago, updated 3 hours ago

Ruby Male Dog

LOST PawBoost ID: 72766665


San Bernardino, CA 92410

Small Brown and white spots Chihuahua

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Lost Female Dog last seen Mission and Euclid, Ontario, CA 91762

Reported 5 hours ago

Diore Female Dog

LOST PawBoost ID: 72964912


Ontario, CA 91762

Short brown hair, pointy ears, short tail

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Lost Female Dog last seen Civic Center/English, Santa Ana, CA 92703

Reported 5 hours ago

Muffin Female Dog

LOST PawBoost ID: 72964902


Santa Ana, CA 92703

White and grey with spots

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Lost Male Dog last seen Redwood ave and ivy ave , Fontana, CA 92335

Reported 3 years ago, updated 5 hours ago

Spike Male Dog

LOST PawBoost ID: 68796576


Fontana, CA 92335

Third time posted with a more better picture of Spike and a better description. Small brown dog with an overbite and long legs, He also has a scar on his snout that may have healed by now and also has one on his front right foot. He looks exactly like in the photo, it's frustrating not have been able to find him after that long ago. Have going to the shelter multiple times putting up flyers. Since it's unknown what happened to him please contact immediately if seen.

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Lost Male Dog last seen Lincoln St , Buena vista , Corona, CA 92882

Reported 5 hours ago

Toby Fuentes Male Dog

LOST PawBoost ID: 72964856


Corona, CA 92882

Answers to the name Toby, Pado , Tobias ,

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Lost Male Dog last seen California and baseline, San Bernardino, CA 92411

Reported 8 hours ago

Rocket Male Dog

LOST PawBoost ID: 72964393


San Bernardino, CA 92411

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Lost Male Dog last seen Prospect Ave, El Monte, CA 91731

Reported 4 years ago, updated 8 hours ago

Kele Male Dog

LOST PawBoost ID: 67896173


El Monte, CA 91731

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

Reported 3 years ago, updated 9 hours 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 Harbor & 17th , Santa Ana, CA 92703

Reported 2 weeks ago, updated 9 hours ago

Lucky Male Dog

LOST PawBoost ID: 72906789


Santa Ana, CA 92703

Black Rottweiler

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Lost Female Dog last seen Near Hamner AVE st100, Eastvale, CA 91752

Reported 10 hours ago

Darla Female Dog

LOST PawBoost ID: 72963837


Eastvale, CA 91752

Black, fresh haircut

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Lost Female Dog last seen Garden and 33rd, San Bernardino, CA 92404

Reported 1 week ago, updated 11 hours ago

Ginger Female Dog

LOST PawBoost ID: 72925360


San Bernardino, CA 92404

German Shepard Golden lab mix

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Lost Male Dog last seen Multiview Drive and Broadview Drive, Perris, CA 92570

Reported 3 days ago, updated 12 hours ago

Louis Vuitton Male Dog

LOST PawBoost ID: 72953660


Perris, CA 92570

Yorkshire terrier, tan and black, 13-15 years old

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Lost Female Dog last seen La Palma & brookhurst , Anaheim, CA 92801

Reported 12 hours ago

Darla Female Dog

LOST PawBoost ID: 72963092


Anaheim, CA 92801

White body black head , black spots along her back

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Lost Female Dog last seen La Sierra / Spaulding, Riverside, CA 92505

Reported 12 hours ago

Honey Female Dog

LOST PawBoost ID: 72963076


Riverside, CA 92505

Light beige

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

Reported 1 year ago, updated 13 hours ago

Katsu Male Dog

LOST PawBoost ID: 71207406


Baldwin Park, CA 91706

Tan and white male shiba inu

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Lost Female Dog last seen Hamner Ave , Eastvale, CA 91752

Reported 14 hours ago

Darla Female Dog

LOST PawBoost ID: 72962370


Eastvale, CA 91752

Black Shihtzu

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Lost Male Dog last seen Food 4 less and bottle n corn liquor store , El Monte, CA 91733

Reported 1 month ago, updated 15 hours ago

FIRUZE Male Dog

LOST PawBoost ID: 72817436


El Monte, CA 91733

Bump on his chest, white and black whiskers, brown fur is mixed with black

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Lost Male Dog last seen Tolton Ave, Corona, CA 92879

Reported 3 weeks ago, updated 16 hours ago

Twinkie Male Dog

LOST PawBoost ID: 72868759


Corona, CA 92879

Fawn Pug Color with heat rash scar on his bottom

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Lost Dog Data for Ontario, CA

There are 953 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 – 2,229,039 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.