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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.

1005 lost cats in your search

Lost Male Cat last seen Sago Palm Rd, Colton, CA 92324

Reported 4 weeks ago, updated 4 weeks ago

Marley Male Cat

LOST PawBoost ID: 72857099


Colton, CA 92324

Orange and white cat. Very friendly. Red collar.

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Lost Male Cat last seen Golden ridge off green River , Corona, CA 92878

Reported 4 weeks ago

Bubba Male Cat

LOST PawBoost ID: 72866394


Corona, CA 92878

Marble bengal

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Lost Female Cat last seen 17th st & greenleaf st., Santa Ana, CA 92706

Reported 4 weeks ago, updated 4 weeks ago

Mimi - Female Cat

LOST PawBoost ID: 72858253


Santa Ana, CA 92706

Short hair, female, sweet and kind with spoty fur patches on lower back of body. May be pregnant?

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Lost Male Cat last seen Anise dr , San Bernardino, CA 92407

Reported 2 months ago, updated 4 weeks ago

Gin And Ash Male Cat

LOST PawBoost ID: 72780317


San Bernardino, CA 92407

All gray

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Lost Female Cat last seen El Camino Pl, Fontana, CA, Fontana, CA 92337

Reported 3 months ago, updated 4 weeks ago

Phoebe Female Cat

LOST PawBoost ID: 72646982


Fontana, CA 92337

Small and orange with a fluffy tail and white belly. Yellowish eyes

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Lost Female Cat last seen Country village rd, Jurupa Valley, CA 91752

Reported 3 months ago, updated 4 weeks ago

Trabesa Female Cat

LOST PawBoost ID: 72665291


Jurupa Valley, CA 91752

Siamese/ tabby mix left ear chopped tip only female

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Lost Male Cat last seen N. Larkin Dr between Covina and Cyoress, Covina, CA 91722

Reported 4 weeks ago

Ollie Male Cat

LOST PawBoost ID: 72864887


Covina, CA 91722

Light orange and white boy cat

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Lost Male Cat last seen campanis ln, placentia, Placentia, CA 92870

Reported 4 weeks ago

Bandit Male Cat

LOST PawBoost ID: 72864167


Placentia, CA 92870

siamese tabby mix, weighs 16 pounds, no microchip, no color.

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Lost Female Cat last seen Imperial Highway and First Avenue , La Mirada, CA 90638

Reported 4 weeks ago

Luna Female Cat

LOST PawBoost ID: 72863563


La Mirada, CA 90638

Cat is female,spayed. She is brown,tan,and black. Stomach is white with curls. Eyes are green.

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Lost Female Cat last seen Biola and mansa dr, La Mirada, CA 90638

Reported 4 weeks ago

Myla Female Cat

LOST PawBoost ID: 72863063


La Mirada, CA 90638

Tiny gray tabby less than a year old. Doesn’t like to be held, can be a bit frightful

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Lost Male Cat last seen Acacia/Brea Blvd, Brea, CA 92821

Reported 4 months ago, updated 4 weeks ago

Meeko Male Cat

LOST PawBoost ID: 72521359


Brea, CA 92821

Gray and black stripes. White belly. Lost in Brea Ca near Acacia and Brea Blvd. MEEKO will be scared as he is an indoor cat. Please call or

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Lost Male Cat last seen East Santa Clara Avenue and North Spurgeon Street, Santa Ana, CA 92706

Reported 4 weeks ago, updated 4 weeks ago

Shin Male Cat

LOST PawBoost ID: 72849575


Santa Ana, CA 92706

Small tabby with a cream belly and white paws and a white stripe on his nose. Very talkative and friendly. Responds to the name "Shin"

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Lost Female Cat last seen Baldwin Ave by the 7-eleven, El Monte, CA 91731

Reported 2 months ago, updated 4 weeks ago

Michi luna Female Cat

LOST PawBoost ID: 72759493


El Monte, CA 91731

Black cat with ginger spots, white chest and paws.

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Lost Female Cat last seen Dawley & Doublegrove , La Puente, CA 91744

Reported 4 weeks ago

PUMPKIN Female Cat

LOST PawBoost ID: 72861753


La Puente, CA 91744

BROWN-ORANGE-WHITE GREY BLACK MIX TABBY CAT GREY&BLACK PATTERN TAIL WHITE PAWS BLACK SPOT NEAT RIGHT EYE

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Lost Male Cat last seen Cadenza Dr, Corona, CA 92880

Reported 4 weeks ago, updated 4 weeks ago

Jiujiu Male Cat

LOST PawBoost ID: 72853737


Corona, CA 92880

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Lost Male Cat last seen Mini Park of Baldwin, El Monte, CA 91731

Reported 1 month ago, updated 4 weeks ago

Sweetboy Male Cat

LOST PawBoost ID: 72828538


El Monte, CA 91731

Tabby gray with black stripes

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Lost Male Cat last seen Valley View, Whittier, CA 90604

Reported 11 months ago, updated 4 weeks ago

Bodhi Male Cat

LOST PawBoost ID: 71817547


Whittier, CA 90604

Orange Tabby has freckles on nose

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Lost Female Cat last seen Lincoln Park apmts , Anaheim, CA 92801

Reported 4 weeks ago

Carrot Female Cat

LOST PawBoost ID: 72860970


Anaheim, CA 92801

Orange spot on forehead area , slit on right ear

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Lost Female Cat last seen Shandin Hills Drive and Kendall, San Bernardino, CA 92407

Reported 4 weeks ago

Marshmallow Female Cat

LOST PawBoost ID: 72860549


San Bernardino, CA 92407

Siamese cat with Purple and Blue collar

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Lost Female Cat last seen Madison and Magnolia , Riverside, CA 92504

Reported 4 weeks ago

Venterous Female Cat

LOST PawBoost ID: 72859765


Riverside, CA 92504

She has a mom bod caused by the 3 week old kittens crying for her gave her. Also she has a pink skull collar that her SisterDog past down to her.

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Lost Cat Data for Ontario, CA

There are 1005 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 – 2,229,737 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.