Home Listings FAQ Paid Services Blog Contact us Become a Volunteer Reviews About Us
Help
FAQ Useful Tips Paid Services Beware of Scammers
Report Pet
If you lost a cat, check list found cats
Ontario, California
Lost pets
All Lost Found Looking for a home
Pet911.orgLostOntario
177 listings

Missing pets in Ontario

Close
Lost pets Moreno Valley, photo: Lost dog, West Arrow Highway, 270, Upland, Moreno Valley — male, white, named Toro
Lost
Lost dog, West Arrow Highway,...
West Arrow Highway, 270, Upland
White dog named Toro. Last wearing yellow coc...
Sat, 09/12/2026
Close
Lost pets 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
Close
Lost pets Pomona, photo: Lost dog, Vejar Street, 1622, Pomona — female with a golden-brown coat
Lost
Lost dog, Vejar Street, 1622,...
Vejar Street, 1622, Pomona
Golden brown with white idk she was here at h...
Sat, 09/05/2026
Close
Lost pets San Bernardino, photo: Lost dog, Victoria Street, San Bernardino — female with polka dots on all four feet
Lost
Lost dog, Victoria Street, San...
Victoria Street, San Bernardino
She is piebald dapple black white brown with...
Sat, 09/05/2026
Close
Lost pets Anaheim, photo: Lost male dog, Jurupa Valley, California, Anaheim
Lost
Lost male dog, Jurupa Valley,...
Jurupa Valley, California
Sat, 08/29/2026
Close
Lost pets Riverside, photo: Lost dog, male, Felspar Street, 5745, Jurupa Valley, Riverside
Lost
Lost dog, male, Felspar Street...
Felspar Street, 5745, Jurupa Valley
Not sure
Listing is boosting
Sat, 08/29/2026
Close
Lost pets Azusa, photo: Lost Dog, Felspar Street, Jurupa Valley, Azusa — Male with Green Eyes
Lost
Lost Dog, Felspar Street, Juru...
Felspar Street, Jurupa Valley
Green eyes, Scab on his belly
Sat, 08/29/2026
Close
Lost pets Moreno Valley, photo: Lost dog, Cottonwood Avenue, 22055, Moreno Valley - female
Lost
Lost dog, Cottonwood Avenue, 2...
Cottonwood Avenue, 22055, Moreno Valley
Missing two pugs, male and female. They didn'...
Sat, 08/29/2026
Close
Lost pets West Covina, photo: Missing dog Female, West Covina (usl545098)
Lost
Missing dog Female, West Covin...
Lochmere Avenue, 571, La Puente
Super friendly Very old but looks younger Has...
Sat, 08/29/2026
Close
Lost pets 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
Close
Lost pets 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
Close
Lost pets 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
Close
Lost pets 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
Close
Lost pets New Hyde Park, photo: Lost dog, South Phoenix Place, 2112, New Hyde Park — female blue nose pitbull
Lost
Lost dog, South Phoenix Place,...
South Phoenix Place, 2112, Ontario
Hello, my dog Liberty (Lili for short) is a b...
Sat, 08/01/2026
Close
Lost pets Ontario, photo: Lost dog, Moosedeer Drive, 2524, Ontario - tri-color wire Fox Terrier, 13.5 years old
Lost
Lost dog, Moosedeer Drive, 252...
Moosedeer Drive, 2524, Ontario
Tri color wire Fox terrier, very friendly and...
Sun, 07/26/2026
Close
Lost pets Oceanside, photo: Lost dog, Balfore Street, 2908, Riverside, Oceanside
Lost
Lost dog, Balfore Street, 2908...
Balfore Street, 2908, Riverside
Rottweiler is very friendly dachshund is very...
Sun, 07/26/2026
Close
Lost pets 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
Close
Lost pets Chino, photo: Lost bird, male, Waterlily Way/Riverside Dr, Chino, California - orange/red/yellow/green Fischer's lovebird
Lost
Lost bird, male, Waterlily Way...
Chino, California
Missing Pet Bird! 'Pan Hu' is a male Fischer'...
Wed, 07/08/2026
Close
Lost pets 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
Close
Lost pets Riverside, photo: Lost dog, male, Helena Avenue, 8214, Riverside — black and tan terrier mix with big expressive eyebrows
Lost
Lost dog, male, Helena Avenue,...
Helena Avenue, 8214, Riverside
Lincoln went missing the evening of July 1st....
Sat, 07/04/2026

Where to search
To search for
Type of animal
Type of animal
Search among...
Within past
Search by date...
Period
Show archived listings