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Ontario, California
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194 listings

Missing pets in Ontario

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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 Vista, photo: Lost female dog, Riverside, California, Vista — brown coat, short hair, big ears
Lost
Lost female dog, Riverside, Ca...
Riverside, California
Brown coat, short hair, big ears, runs fast,...
Sun, 05/10/2026
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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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Lost pets Rialto, photo: Lost male cat, Sierra Lakes Parkway, Rialto - light orange tabby with two collars
Lost
Lost male cat, Sierra Lakes Pa...
Sierra Lakes Parkway, 2325, Rialto
Light orange/sandy color tabby. He had on 2 c...
Fri, 03/13/2026
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Lost pets Los Angeles, photo: Lost female dog, Mission Boulevard, Riverside - beige with some white
Lost
Lost female dog, Mission Boule...
Mission Boulevard, 6840, Riverside
Beige with some white mixed in wire hair chiw...
Fri, 03/13/2026
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Lost pets San Bernardino, photo: Lost Dog: Black with White Paws, San Bernardino
Lost
Lost Dog: Black with White Paw...
Whipple Mountain Road, 260, San Bernardino
Black with 2 white paws
Sat, 02/28/2026

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