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Ontario, California
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177 listings

Missing pets in Ontario

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Lost pets 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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Lost pets Chino, photo: Lost dog, Phillips Boulevard, 5325, Chino - senior male with one eye
Lost
Lost dog, Phillips Boulevard,...
Phillips Boulevard, 5325, Chino
Petey has 1 eye only. He has white/cream colo...
Wed, 06/24/2026
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Lost pets Anaheim, photo: Lost dog, Laurelwood Avenue, 120, Placentia, Anaheim - black French bulldog pug mix, grey flea collar
Success
Reunited
Laurelwood Avenue, 120, Placentia
Black French bulldog pug mix extremely friend...
Listing is boosting
Tue, 06/23/2026
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Lost pets Ontario, photo: Lost dog, East Sanderling Street, 570, Ontario - male, black and white, small mixed breed
Lost
Lost dog, East Sanderling Stre...
East Sanderling Street, 570, Ontario
Scotty is Black and White, small mixed breed...
Mon, 06/01/2026
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Lost pets Brea, photo: Missing dog Male, Brea (usl538946)
Lost
Missing dog Male, Brea (usl538...
South Poplar Avenue, 293, Brea
Short beige Labrador, floppy ears, no collar...
Sat, 05/30/2026
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Lost pets Diamond Bar, photo: Lost dog, Diamond Bar, California - male, parti yorkie, very friendly
Lost
Lost dog, Diamond Bar, Califor...
Diamond Bar, California
He’s a parti yorkie with a black, white and b...
Mon, 05/25/2026
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Lost pets Upland, photo: Lost dog, East Buffington Street, 119, Upland - skittish, short nub tail
Lost
Lost dog, East Buffington Stre...
East Buffington Street, 119, Upland
She is black, white, and brown, she has a sho...
Sat, 05/23/2026
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Lost pets Los Angeles, photo: Lost dog, East 4th Street, 551, Los Angeles - male Australian Shepherd
Lost
Lost dog, East 4th Street, 551...
East 4th Street, 551, Ontario
He is a Australian Shepherd he is black and h...
Sat, 05/23/2026
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Lost pets Irwindale, photo: Lost dog, North Irwindale Avenue, 5124, Irwindale - female, 19 years old
Lost
Lost dog, North Irwindale Aven...
North Irwindale Avenue, 5124, Irwindale
She 19 years old she has a lump on her belly...
Mon, 05/18/2026
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Lost pets Norco, photo: Lost dog, male, Pacific Avenue, 2135, Norco - senior white poodle with a thin tail
Lost
Lost dog, male, Pacific Avenue...
Pacific Avenue, 2135, Norco
Is a senior poodle (14years old) with white f...
Sun, 05/17/2026
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Lost pets Chino, photo: Lost dog, Endeavor Place, 16600, Chino - brown Toy Poodle, coughs frequently
Lost
Lost dog, Endeavor Place, 1660...
Endeavor Place, 16600, Chino
LOST DOG – PLEASE HELP FIND LELE Our beloved...
Thu, 05/14/2026
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Lost pets 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
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Lost pets Pomona, photo: Lost dog, West Commercial Street, Pomona - smooth coated Chihuahua
Lost
Lost dog, West Commercial Stre...
West Commercial Street, 100, Pomona
Smooth coated white and tanish Chihuahua. Wil...
Tue, 04/28/2026
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Lost pets 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
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Lost pets Arlington, photo: Missing dog Female, Arlington (usl535382)
Lost
Missing dog Female, Arlington...
Limonite Avenue, 12285, Jurupa Valley
Tiny 6lbs chihuahua, black white and brown, s...
Sun, 04/19/2026
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Lost pets Denver, photo: Lost male cat, Rialto, California - yellowish greenish eyes
Lost
Lost male cat, Rialto, Califor...
Rialto, California
Yellowish greenish eyes, a bit overweight(pro...
Tue, 04/07/2026
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Lost pets Yorba Linda, photo: Lost female cat, Via Corzo, 4580, Yorba Linda - left backyard at night
Lost
Lost female cat, Via Corzo, 45...
Via Corzo, 4580, Yorba Linda
She left backyard at night at 4 April
Sat, 04/04/2026
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Lost pets Montclair, photo: Lost female dog, Montclair, California - purple harness
Lost
Lost female dog, Montclair, Ca...
Montclair, California
She was wearing a purple harness. Last seen g...
Wed, 04/01/2026
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Lost pets La Puente, photo: Lost male cat, Helmsdale Avenue, La Puente - green eyes and skinny
Lost
Lost male cat, Helmsdale Avenu...
Helmsdale Avenue, 830, La Puente
Jasper is white with stripped spots that are...
Fri, 03/27/2026
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Lost pets Pomona, photo: Lost cat, East Alvarado Street, Pomona - male, all black
Lost
Lost cat, East Alvarado Street...
East Alvarado Street, 346, Pomona
All black neutered, scars on ears and top of...
Fri, 03/20/2026

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