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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 Male Cat last seen Madison Home Depot, Riverside, CA 92504

Reported 4 weeks ago

Dooder Male Cat

LOST PawBoost ID: 73326179


Riverside, CA 92504

Grey striped with snipped ear has a bad tooth on his right upper fang

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Lost Female Cat last seen Large new white 3 story apmts. @ 91 fwy n hHarbor#228, Anaheim, CA 92801

Reported 4 weeks ago

Miss Moo Moo Female Cat

LOST PawBoost ID: 73326168


Anaheim, CA 92801

Black n white "tuxedo cat w blk hitler face marks on white face 3 yrs old 2 kittens last February.

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Lost Female Cat last seen Near my hse, Riverside, CA 92505

Reported 1 month ago, updated 4 weeks ago

Yuki Female Cat

LOST PawBoost ID: 73292096


Riverside, CA 92505

She has like a new collar . It’s after Pusheen and it’s pink or purple one . I don’t know if she has it on still.

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Lost Unknown Cat last seen Lakeview and Via Madera, Yorba Linda, CA 92886

Reported 4 weeks ago

Unknown Unknown Cat

LOST PawBoost ID: 73325620


Yorba Linda, CA 92886

Thin cat roaming a night

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Lost Female Cat last seen Prodo Regonial Park, Chino, CA 91708

Reported 6 months ago, updated 4 weeks ago

Rad Female Cat

LOST PawBoost ID: 72704957


Chino, CA 91708

Multiple color, grey speckled, black strips on front legs and tail

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Lost Male Cat last seen 8th and Camino Real, Arcadia, Arcadia, CA 91006

Reported 4 weeks ago

Obie-cat Male Cat

LOST PawBoost ID: 73323861


Arcadia, CA 91006

Brown tabby

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Lost Female Cat last seen Lilac & walnut, Rialto, CA 92376

Reported 7 months ago, updated 4 weeks ago

Kalesita Female Cat

LOST PawBoost ID: 72587018


Rialto, CA 92376

A little moon on her back left leg

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Lost Male Cat last seen ontario and Buena vista ave, Corona, CA 92882

Reported 3 months ago, updated 4 weeks ago

Salem Male Cat

LOST PawBoost ID: 73066051


Corona, CA 92882

fully black with some white hairs from aging. he has white markings on his chest and lower stomach. a scar on his right ear. light green eyes.

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Lost Male Cat last seen 12th and Pine, Riverside, CA 92501

Reported 4 weeks ago

Hitchcock Male Cat

LOST PawBoost ID: 73321124


Riverside, CA 92501

Young orange tabby, short hair, yellow green eyes. His marking on his side is like a circle. Not neutered yet.

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Lost Female Cat last seen Middlefield Dr and Owari Ln, Riverside, CA 92508

Reported 1 month ago, updated 4 weeks ago

Chloe Female Cat

LOST PawBoost ID: 73258741


Riverside, CA 92508

Grey Medium Domestic Hair. Last seen with a blue Disney Aristocats collar.

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Lost Female Cat last seen Sey Way, Riverside, CA 92503

Reported 6 months ago, updated 4 weeks ago

Miss kitty Female Cat

LOST PawBoost ID: 72699140


Riverside, CA 92503

She’s fix and she’s sooooo sweet.Green eyes.

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Lost Male Cat last seen Near e hillcrest ave orange, Orange, CA 92867

Reported 2 months ago, updated 4 weeks ago

Charlie Male Cat

LOST PawBoost ID: 73201835


Orange, CA 92867

Grey and white with black collar with bow

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Lost Female Cat last seen Park, West Covina, CA 91792

Reported 3 months ago, updated 4 weeks ago

Guerra Female Cat

LOST PawBoost ID: 73034334


West Covina, CA 91792

White 4 grey dots one on each ear 2in the back tail grey

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Lost Male Cat last seen state college and underhill, Anaheim, CA 92805

Reported 1 month ago, updated 4 weeks ago

Storm Male Cat

LOST PawBoost ID: 73304493


Anaheim, CA 92805

Tabby long hair

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Lost Female Cat last seen Eureka Drive and Tanforan, Riverside, CA 92503

Reported 1 month ago, updated 4 weeks ago

Kora Female Cat

LOST PawBoost ID: 73256030


Riverside, CA 92503

Small frame and lightweight. Wearing an orange collar. She has green eyes and her fur is short and sleek. She is spayed and microchipped. Has stripes on her legs.

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Lost Female Cat last seen Santa Ana Cyn Rd & Lakeview Ave., Anaheim, CA 92807

Reported 1 month ago, updated 4 weeks ago

Mooni Female Cat

LOST PawBoost ID: 73283089


Anaheim, CA 92807

Black cat No tail

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Lost Male Cat last seen Owen st, Riverside, CA 92505

Reported 4 weeks ago, updated 4 weeks ago

Shadow Male Cat

LOST PawBoost ID: 73307603


Riverside, CA 92505

Black male cat with short, solid black fur and green/yellow eyes. Medium-sized with large pointed ears. No visible markings.

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Lost Female Cat last seen Queensborough st, Riverside, CA 92503

Reported 4 weeks ago

Manni Female Cat

LOST PawBoost ID: 73315424


Riverside, CA 92503

Salt and pepper colored fluffy girl with a pretty long tail

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Lost Male Cat last seen Near S. Magnolia Ave. Rialto, Ca. 92376, Rialto, CA 92376

Reported 4 weeks ago

Bluey Male Cat

LOST PawBoost ID: 73315193


Rialto, CA 92376

Male Siamese Cat, Light Blue Eyes, Dark Brown Big Paws / Polydactyl , Body white cream color with dark brown Spot on his Lower back. Ears dark brown tips. Needs his 💊 Have you seen him. Please send Photo if you can.

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Lost Female Cat last seen Idyllwild Ln and Julian Dr, Riverside, CA 92505

Reported 4 weeks ago

Diamond Female Cat

LOST PawBoost ID: 73313236


Riverside, CA 92505

Black and white shorthair

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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 – 2,315,359 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.