PawBoost ID or Name

Status

Location

City, Zip, or Address
Distance

Animal

Type

Sex

Sort

Within Past

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 Spring Mountain Ranch, Riverside, CA 92507

Reported 12 months ago, updated 5 days ago

Binx Male Cat

LOST PawBoost ID: 72254259


Riverside, CA 92507

Black with 3 white spots on neck, chest, groin.

View Pet

Lost Male Cat last seen Peck, El Monte, CA 91731

Reported 6 months ago, updated 5 days ago

Prince Albert Male Cat

LOST PawBoost ID: 72925900


El Monte, CA 91731

Black and white in the face black nose distinctive spot

View Pet

Lost Female Cat last seen Colony / heathcliff / la loma, North Tustin, CA 92705

Reported 9 months ago, updated 5 days ago

Midnite Female Cat

LOST PawBoost ID: 72588308


North Tustin, CA 92705

All black green eyes, small scar on nose and will also respond to ‘chica’

View Pet

Lost Female Cat last seen Half Moon Ct. & Sunrise Ridge, Riverside, CA 92503

Reported 5 days ago

Luna Female Cat

LOST PawBoost ID: 73600376


Riverside, CA 92503

Grey Bengal

View Pet

Lost Female Cat last seen Encanto Pkwy and Hacienda, Duarte, CA 91010

Reported 7 months ago, updated 5 days ago

Ripley Female Cat

LOST PawBoost ID: 72757466


Duarte, CA 91010

Gray and white with collar. Young, about 8lbs.

View Pet

Lost Male Cat last seen Longhill Street, Riverside, CA 92504

Reported 6 months ago, updated 5 days ago

Dusty Male Cat

LOST PawBoost ID: 72878683


Riverside, CA 92504

Medium hair, light orange tabby, possibly a tint of blue/green in his tail, red collar, microchipped, not fixed, a little over a year now

View Pet

Lost Male Cat last seen Mary Helen St, Corona, CA 92879

Reported 6 months ago, updated 5 days ago

Bubba Male Cat

LOST PawBoost ID: 72858223


Corona, CA 92879

Grey Tabby, he is microchipped, he probably still has a tiny tint of blue in the tail, can’t notice it, he has a chipped fang, he doesn’t like other cats, he can be sociable or really skittish, he replies to the name Bubba, Hubba Bubba, or even with the smell of fish or salmon, he loves scratches and can go on the shoulder, he has a collar on, with skulls, he has his name tag, a tracker that stopped working and a yellow microchip thing on the collar, unless it came off

View Pet

Lost Female Cat last seen W second st and w Lorraine pl, Rialto, CA 92377

Reported 3 weeks ago, updated 5 days ago

Lily Female Cat

LOST PawBoost ID: 73530359


Rialto, CA 92377

Female • Tortoiseshell (black with orange/brown patches) • Yellow eyes • Short hair • Medium/large size

View Pet

Lost Female Cat last seen Whittier, Whittier, CA 90603

Reported 3 months ago, updated 5 days ago

Jiji Female Cat

LOST PawBoost ID: 73306738


Whittier, CA 90603

Black with white ear hairs

View Pet

Lost Female Cat last seen Russell and bogardus, Whittier, CA 90603

Reported 2 months ago, updated 5 days ago

Beyonce Female Cat

LOST PawBoost ID: 73338994


Whittier, CA 90603

Black female cat, 13 years old. Microchipped

View Pet

Lost Female Cat last seen Tustin ave, Orange, CA 92869

Reported 5 days ago

Gypsy kitty Female Cat

LOST PawBoost ID: 73599824


Orange, CA 92869

Sweet female kitty has collar

View Pet

Lost Female Cat last seen E Olive St and Towne Ave CA, Pomona, CA 91766

Reported 4 years ago, updated 5 days ago

Sunshine Female Cat

LOST PawBoost ID: 69016217


Pomona, CA 91766

Sunshine is fixed, has yellow eyes, is dark orange and has a white spot on her chest.

View Pet

Lost Female Cat last seen Towne And Olive In Pomona, Ca, Pomona, CA 91766

Reported 4 years ago, updated 5 days ago

Precious Female Cat

LOST PawBoost ID: 68785479


Pomona, CA 91766

Brown with green eyes. She is microchiped.

View Pet

Lost Female Cat last seen Near my alderton Ave la puente, La Puente, CA 91744

Reported 2 months ago, updated 5 days ago

Chillis Female Cat

LOST PawBoost ID: 73421702


La Puente, CA 91744

Tuxedo black dot nose

View Pet

Lost Male Cat last seen H street, San Bernardino, CA 92405

Reported 5 days ago

Willie Male Cat

LOST PawBoost ID: 73599321


San Bernardino, CA 92405

Orange, he has an injured left eye. I was supposed to get him help, but he escaped when I was putting his food and water in small kennel.

View Pet

Lost Female Cat last seen Nogales-colima, Rowland Heights, CA 91748

Reported 1 week ago, updated 5 days ago

Mochi Female Cat

LOST PawBoost ID: 73589973


Rowland Heights, CA 91748

2 year old female tabby

View Pet

Lost Female Cat last seen Hermosa, Vista Grove, Rancho Cucamonga, CA 91737

Reported 7 days ago, updated 5 days ago

Lola Female Cat

LOST PawBoost ID: 73590624


Rancho Cucamonga, CA 91737

Black & Brown

View Pet

Lost Male Cat last seen Vineyard , walnut ,, Ontario, CA 91761

Reported 5 days ago

Fatty Male Cat

LOST PawBoost ID: 73599177


Ontario, CA 91761

Big , heavy, big paws really furry around his neck

View Pet

Lost Female Cat last seen Foster st., Kathleen St., Riverside, CA 92506

Reported 5 days ago

Bug Female Cat

LOST PawBoost ID: 73599175


Riverside, CA 92506

Siamese

View Pet

Lost Female Cat last seen Montefino community, Diamond Bar, CA 91765

Reported 4 weeks ago, updated 5 days ago

Taco Female Cat

LOST PawBoost ID: 73509041


Diamond Bar, CA 91765

All black, yellow-green eyes, female American short-hair, weighted around 14 pound. No collar.

View Pet

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 – 2,350,963 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.