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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.

839 lost cats in your search

Lost Male Cat last seen Canyon crest town center, Riverside, CA 92507

Reported 5 mins ago

Bean Male Cat

LOST PawBoost ID: 73620586


Riverside, CA 92507

Grey with a white patch on his stomach

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Lost Female Cat last seen Gladstone and San Dimas canyon rd, La Verne, CA 91750

Reported 16 mins ago

Rosie Female Cat

LOST PawBoost ID: 73620563


La Verne, CA 91750

Black and white car

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Lost Male Cat last seen Handy and Locust Ave, Orange, CA 92867

Reported 1 year ago, updated 21 mins ago

Ziggy Male Cat

LOST PawBoost ID: 71894939


Orange, CA 92867

Grey with white paws and white on his chin and belly. He has bald spots near his tail. Has an infection in one eye and has goo build up.

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Lost Female Cat last seen Colima and Nogales, Rowland Heights, CA 91748

Reported 46 mins ago

Mochi Female Cat

LOST PawBoost ID: 73620494


Rowland Heights, CA 91748

Gray Tabby, and 7-9 pounds

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Lost Male Cat last seen Wood Rd and Mariposa, Riverside, CA 92508

Reported 1 hour ago

Teddy Male Cat

LOST PawBoost ID: 73620464


Riverside, CA 92508

Orange Persian

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Lost Female Cat last seen Columbia and Orange, Riverside, CA 92501

Reported 2 weeks ago, updated 2 hours ago

Junie Female Cat

LOST PawBoost ID: 73558355


Riverside, CA 92501

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Lost Female Cat last seen Mission Grove Pkwy N, Riverside, CA 92506

Reported 2 weeks ago, updated 3 hours ago

Pixie Female Cat

LOST PawBoost ID: 73570613


Riverside, CA 92506

Brown, gray, and white fur pattern. White underbelly and limbs. May or may not respond to her name, but responds well to sandwich meat. Not violent, but slightly skiddish, will likely run if you attempt to grab her. Microchipped in cases of uncertainty.

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Lost Female Cat last seen W Merrill Ave & S Spruce Ave, Rialto, CA 92376

Reported 4 months ago, updated 4 hours ago

Dolly Female Cat

LOST PawBoost ID: 73161656


Rialto, CA 92376

Siamese mix with cookies n cream coat,white paws, blue eyes

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Lost Female Cat last seen Near E Cedar St, Ontario, CA 91761, Ontario, CA 91761

Reported 5 hours ago

Seaweed Female Cat

LOST PawBoost ID: 73619357


Ontario, CA 91761

Female domestic medium/long-haired cat, approximately 10 lbs. She has a gray and cream tortoiseshell coat, a fluffy tail, a white chest, and light green eyes. Her most distinctive feature is her two-toned face: one side is darker gray, while the other side is light cream/orange. She has large pointed ears and a fluffy coat. She is an indoor cat and may be scared or hiding. Please do not chase her if spotted. Name: Haitai (海苔) Weight: Approximately 10 lbs.

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Lost Male Cat last seen Redwood/ weepingwillow, Fontana, CA 92337

Reported 2 days ago, updated 6 hours ago

Peewee Male Cat

LOST PawBoost ID: 73610936


Fontana, CA 92337

Blue eyed beige body with black tail

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Lost Female Cat last seen Richfield Road, Yorba Linda, CA 92886

Reported 10 months ago, updated 6 hours ago

Cleo Female Cat

LOST PawBoost ID: 72428577


Yorba Linda, CA 92886

Short haired tabby

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Lost Female Cat last seen Grand and Old Mill Rd., Riverside, CA 92504

Reported 2 months ago, updated 7 hours ago

Abby Female Cat

LOST PawBoost ID: 73399535


Riverside, CA 92504

White and gray tabby

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Lost Female Cat last seen Bonita and Palomares, La Verne, CA 91750

Reported 3 weeks ago, updated 8 hours ago

Gojo Female Cat

LOST PawBoost ID: 73517977


La Verne, CA 91750

Multicolor (white, grey, orange) and on the smaller side

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Lost Male Cat last seen Last seen in home. He may possible be in someone's back yard near Overden., Pomona, CA 91766

Reported 1 month ago, updated 8 hours ago

Floki Male Cat

LOST PawBoost ID: 73431337


Pomona, CA 91766

Bengal cat. Green eyes, spotted coat, male, around 12 lbs.

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Lost Female Cat last seen N Adair Pl, Anaheim, CA 92806

Reported 1 week ago, updated 9 hours ago

Luna Female Cat

LOST PawBoost ID: 73587477


Anaheim, CA 92806

Brown Tabby with Stripes

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Lost Male Cat last seen Near st jurupa valley ca, Riverside, CA 92509

Reported 3 weeks ago, updated 9 hours ago

Munchkin Male Cat

LOST PawBoost ID: 73519775


Riverside, CA 92509

Tuxido orange

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Lost Male Cat last seen Arrow Route and Baker, Rancho Cucamonga, CA 91730

Reported 4 weeks ago, updated 10 hours ago

Nemo Male Cat

LOST PawBoost ID: 73497146


Rancho Cucamonga, CA 91730

Has 3 legs all black with white spot on his chest

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Lost Male Cat last seen Bagnall/barranca, Glendora, CA 91740

Reported 10 hours ago

Pickle Male Cat

LOST PawBoost ID: 73617824


Glendora, CA 91740

Young male cat ( about 6 months) unfixed . Yellow eyes. Responds to “pickle”

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Lost Male Cat last seen Gun Tree Drive and Cold Plains Drive, Hacienda Heights, CA, Hacienda Heights, CA 91745

Reported 1 year ago, updated 10 hours ago

Buckley Male Cat

LOST PawBoost ID: 71658516


Hacienda Heights, CA 91745

Black and white short haired cat, with swirly pattern on back and sides. Around 9-10 pounds.

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Lost Male Cat last seen Arrowview Animal Clinic in the alley north of Highland Ave, San Bernardino, CA 92404

Reported 2 years ago, updated 10 hours ago

Tinker Male Cat

LOST PawBoost ID: 71083788


San Bernardino, CA 92404

Just got neutered 9 days ago. Shaved and tattooed. He's an outdoors cat could be friendly but coucious. Lost at vets near Perris Hill Park in alley way.

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Lost Cat Data for Ontario, CA

There are 839 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 – 2,350,893 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.