68 listings

Missing cats in Ontario

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Missing cat Ontario, photo: Lost cat, Ontario, California — female with a long-haired grey-brown coat
Lost
Lost cat, Ontario, California...
Ontario, California
Greyish mixed with brown coat color she’s a l...
Wed, 10/21/2026
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Missing cat Diamond Bar, photo: Lost cat, Estoril Drive, 22911, Diamond Bar — female with black coat and yellow-green eyes
Lost
Lost cat, Estoril Drive, 22911...
Estoril Drive, 22911, Diamond Bar
Female, 3 years old, domestic short hair, all...
Listing is boosting
Wed, 10/14/2026
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Missing cat Bloomington, photo: Lost cat, Forest Avenue, 9765, Bloomington — female with a clipped left ear
Lost
Lost cat, Forest Avenue, 9765,...
Forest Avenue, 9765, Bloomington
She is all black no collar. Friendly and has...
Wed, 10/14/2026
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Missing cat Rowland Heights, photo: Lost cat, South Larkvane Road, 1835, Rowland Heights — male orange tabby, Mr O
Lost
Lost cat, South Larkvane Road,...
South Larkvane Road, 1835
Orange tabby, his name is Mr O. He has a chip...
Tue, 10/13/2026
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Missing cat Riverside, photo: Lost male cat, Lemon Grove Avenue, 6580, Jurupa Valley, Riverside — gray tabby with clipped ear
Success
Reunited
Lemon Grove Avenue, 6580, Jurupa Valley
He’s a gray tabby he is ear is clipped he is...
Sat, 10/10/2026
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Missing cat Riverside, photo: Lost cat, Mulberry Street, 1431, Riverside — female, small tabby
Lost
Lost cat, Mulberry Street, 143...
Mulberry Street, 1431, Riverside
Ima is small around 7 pounds tabby looking ca...
Wed, 10/07/2026
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Missing cat Fontana, photo: Lost male cat, Sawgrass Way, Fontana — 7-month-old gray cat
Lost
Lost male cat, Sawgrass Way, F...
Sawgrass Way, Fontana
Laifu is a slim 7-month-old male gray cat. He...
Tue, 10/06/2026
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Missing cat Vista, photo: Lost cat, Avalon Street, 3319, Riverside, Vista — female tortoiseshell cat
Lost
Lost cat, Avalon Street, 3319,...
Avalon Street, 3319, Riverside
Mira is a medium/long hair tortoiseshell 1yea...
Tue, 10/06/2026
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Missing cat Ontario, photo: Lost cat, East Harlow Lane, 2651, Ontario — male beige shorthair
Lost
Lost cat, East Harlow Lane, 26...
East Harlow Lane, 2651, Ontario
He has a somewhat beige coat, shorthair and a...
Sat, 09/26/2026
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Missing cat Riverside, photo: Missing cat Male, Riverside (usl547442)
Lost
Missing cat Male, Riverside (u...
Riverside, California
Grey Tuxedo with a white hair close to his no...
Tue, 09/22/2026
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Missing cat Vista, photo: Lost cat, South Diamond Bar Boulevard, 2380, Diamond Bar, Vista — neutered male with a white chest
Lost
Lost cat, South Diamond Bar Bo...
South Diamond Bar Boulevard, 2380, Diamond Bar
Jelly is a black-and-white neutered male cat...
Thu, 09/10/2026
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Missing cat Jurupa Valley, photo: Lost cat, Hudson Street, 6127, Jurupa Valley - male Persian, orange hair
Lost
Lost cat, Hudson Street, 6127,...
Hudson Street, 6127, Jurupa Valley
Garfield is a Persian cat thats Orange haired...
Sun, 08/23/2026
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Missing cat Riverside, photo: Lost cat, Avenida Munoz, 14244, Riverside, Arlington - female, black and white, medium short hair
Lost
Lost cat, Avenida Munoz, 14244...
Avenida Munoz, 14244, Riverside
Black and white, outside/inside adventure cat...
Tue, 08/04/2026
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Missing cat Covina, photo: Lost cat, West San Bernardino Road, 300, Covina - male tuxedo cat
Success
Reunited
West San Bernardino Road, 300, Covina
Shimmy is a male tuxedo cat, approximately 1...
Listing is boosting
Mon, 08/03/2026
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Missing cat Fontana, photo: Lost cat, Grevillea Street, 17413, Fontana - female tortoiseshell calico with cut ears and big eyes
Lost
Lost cat, Grevillea Street, 17...
Grevillea Street, 17413, Fontana
Her ears are cut and she has big eyes and she...
Sun, 08/02/2026
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Missing cat Ontario, photo: Lost cat, North Madera Avenue, 852, Ontario - male, marked stripes, white spot on chest
Success
Reunited
North Madera Avenue, 852, Ontario
His strips are super marked and on his front...
Wed, 07/08/2026
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Missing cat Muscoy, photo: Lost male cat, Running Oak Lane, 4049, Muscoy — responds to Toby
Lost
Lost male cat, Running Oak Lan...
Running Oak Lane, 4049
Toby is an 11 yr old neutered black male cat...
Tue, 07/07/2026
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Missing cat Chino, photo: Lost cat, Dalton Street, Chino - male brown tabby with a black collar
Lost
Lost cat, Dalton Street, Chino...
Dalton Street, Chino
Brown tabby, male. He was wearing a black col...
Sat, 06/27/2026
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Missing cat Ontario, photo: Lost cat, North Fuchsia Avenue, 903, Ontario - male, friendly young orange short-haired cat
Success
Reunited
North Fuchsia Avenue, 903, Ontario
Orange short hair with orange colored eyes. V...
Sun, 05/10/2026
Close
Missing cat Chino, photo: Lost cat, Magnolia Avenue, Chino - female with green collar
Success
Reunited
Magnolia Avenue, Chino
Black , green collar, leg bald due to IV
Tue, 04/28/2026

In Ontario, California, there has been a significant number of lost cats reported each year. Cats are among the most common pets in the city, and many families have experienced the heartache of losing their beloved feline companions. Understanding how to navigate this situation can be crucial in helping you find your lost cat quickly and effectively.

What to do if your cat is lost in Ontario state of California

If you find yourself in the unfortunate situation of losing your cat, there are several steps you can take to increase the chances of a successful reunion:

  • Immediately search your home and surrounding area. Cats often hide in places you might not expect.
  • Notify your neighbors about your lost cat. They may have seen your cat or can help keep an eye out.
  • Visit local animal shelters and rescue centers to check if your cat has been found.
  • Utilize social media and online ads to spread the word about your lost cat.
  • Consider putting up flyers in your neighborhood with a clear photo and description of your cat.

These initial actions are crucial in the first 24 to 48 hours after your cat goes missing. The sooner you act, the better your chances of finding your furry friend.

How to write a missing cat ad in Ontario state of California

Crafting an effective missing cat ad is essential for reaching a wider audience. Here are some key points to include in your ad:

  • A clear and recent photo of your cat, as visuals always attract more attention.
  • A detailed description, including your cat's breed, color, age, size, and any distinctive markings or features.
  • Your contact information and how you can be reached, whether it’s a phone number or email.
  • The date and location where your cat was lost, to help others know where to look.
  • Consider offering a small reward for information leading to the return of your cat, as this can encourage more people to assist in your search.

By providing comprehensive details in your ad, you increase the likelihood that someone will recognize your cat and reach out to you. Remember that being proactive and persistent is key in finding your lost cat. Good luck!