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Lost Cats Database for Ontario, CA

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

884 lost cats in your search

Lost Female Cat last seen Near Green River Road, Corona, CA 92882

Reported 8 months ago, updated 5 days ago

Venus Female Cat

LOST PawBoost ID: 72514340


Corona, CA 92882

Calico female cat

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Lost Female Cat last seen C & 10th crossroads, Colton, CA 92324

Reported 1 week ago, updated 5 days ago

Tetra Fay Female Cat

LOST PawBoost ID: 73396745


Colton, CA 92324

Tetra is in Orange and cream colored tabby who has a squint from a previous injury. She is approximately 13

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Lost Male Cat last seen sante fe placentia, Placentia, CA 92870

Reported 3 months ago, updated 5 days ago

Schmiggles Male Cat

LOST PawBoost ID: 73102488


Placentia, CA 92870

bk/ white cat, He has 2 dots on his nose, one on each side, and extra toes. Medium/long hair and a fluffy tail.

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Lost Male Cat last seen Williamson Avenue and Commonwealth, Fullerton, CA 92833

Reported 4 months ago, updated 5 days ago

Thunder Male Cat

LOST PawBoost ID: 72931878


Fullerton, CA 92833

Black, light brown mostly around his chest with blue eyes.

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Lost Male Cat last seen Amar and del valle ave, La Puente, CA 91744

Reported 5 days ago

Plumerin Male Cat

LOST PawBoost ID: 73404760


La Puente, CA 91744

He's full grown about 3 yrs but small in size and he has a puffy tail and he's very vocal.

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Lost Male Cat last seen Tumin Road, La Habra Heights, CA 90631

Reported 2 months ago, updated 5 days ago

Easy Male Cat

LOST PawBoost ID: 73238043


La Habra Heights, CA 90631

Dark Grey Tabby

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Lost Unknown Cat last seen Highland & Monson, Yorba Linda, CA 92886

Reported 1 week ago, updated 6 days ago

Simba & Nala Unknown Cat

LOST PawBoost ID: 73395698


Yorba Linda, CA 92886

One Orange Tabby (Simba), one black, white, and orange (Nala)

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Lost Male Cat last seen del rosa ave, San Bernardino, CA 92410

Reported 1 week ago, updated 6 days ago

Mochi Male Cat

LOST PawBoost ID: 73395531


San Bernardino, CA 92410

gray and black no collar

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Lost Male Cat last seen Rodecket, Azusa, CA 91702

Reported 1 month ago, updated 6 days ago

Jagger Male Cat

LOST PawBoost ID: 73272517


Azusa, CA 91702

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Lost Female Cat last seen State college blvd, Anaheim, CA 92806

Reported 2 years ago, updated 6 days ago

Aerith Female Cat

LOST PawBoost ID: 71378181


Anaheim, CA 92806

White and orange cream kitty, around two years old now. Green eyes

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Lost Male Cat last seen Near N Darwood Ave 91773, San Dimas, CA 91773

Reported 3 months ago, updated 6 days ago

Dr. Piglet Male Cat

LOST PawBoost ID: 73121520


San Dimas, CA 91773

very beige, minimal/damask markings, long/large kitty, very timid/sweet

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Lost Male Cat last seen outside hse, Rialto, CA 92377

Reported 4 weeks ago, updated 6 days ago

Moose Male Cat

LOST PawBoost ID: 73312617


Rialto, CA 92377

gray and white with yellow eyes

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Lost Male Cat last seen La Veta & Center St, Orange, CA 92866

Reported 1 month ago, updated 6 days ago

Cesar Male Cat

LOST PawBoost ID: 73253184


Orange, CA 92866

White with gray stripes

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Lost Female Cat last seen Forest wood, Eastvale, CA 92880

Reported 1 month ago, updated 6 days ago

Hotdog Female Cat

LOST PawBoost ID: 73285297


Eastvale, CA 92880

White & grey 16 years old very loving

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Lost Female Cat last seen Metro at main, Corona, CA 92882

Reported 6 days ago

Deena Female Cat

LOST PawBoost ID: 73402595


Corona, CA 92882

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Lost Male Cat last seen El Cerrito and Westmont, Riverside, CA 92507

Reported 5 months ago, updated 6 days ago

Apollo Male Cat

LOST PawBoost ID: 72823875


Riverside, CA 92507

Black and white Tabby with a shorter, wonky tail

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Lost Male Cat last seen Montecito and Lincoln ave, El Monte, CA 91731

Reported 2 months ago, updated 6 days ago

Meeko Male Cat

LOST PawBoost ID: 73213901


El Monte, CA 91731

Sphinx

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Lost Male Cat last seen St college Ball rd, Fullerton, CA 92831

Reported 6 days ago

Elliott Male Cat

LOST PawBoost ID: 73401922


Fullerton, CA 92831

All great green eyes fluffy stocky

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Lost Male Cat last seen Sierra and Walnut, Fontana, CA 92335

Reported 1 week ago, updated 6 days ago

Yoda Male Cat

LOST PawBoost ID: 73392331


Fontana, CA 92335

Grey Sphynx

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Lost Male Cat last seen Chapman Ave in between Casa Del Maria apts and the cndmniums, Fullerton, CA 92831

Reported 1 week ago, updated 6 days ago

Mofongo Male Cat

LOST PawBoost ID: 73393323


Fullerton, CA 92831

All black cat with bell collar; possibly Bombay or mixed breed

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Lost Cat Data for Ontario, CA

There are 884 lost cats in Ontario, CA.

Find Local Cat Shelters in Ontario, CA

PawBoost has communities of cat-lovers across the country and beyond that help find missing cats, and that means partnerships with cat 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 Cat Sooner with PawBoost

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

How do I find my cat? Do I have to visit the cat 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 cat owners find their furry loved ones – 2,315,248 pets reunited and counting!

Find your lost cat faster with PawBoost.

Report Lost Cat

Frequently Asked Questions

I lost my cat. What should I do?

Take advantage of online platforms – they help you get the word out, quickly and easily. You can report your lost cat 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 cat to our lost & found, and make a lost cat flyer – all for free.

Other sites that help you raise local awareness for your lost cat 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 cat'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 cat for more actionable tips.

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

If you lost a cat, we would like to help. You can report a lost cat to PawBoost for free to help find your cat 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 cat?

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

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.