O'Fallon, MO - Lost Dogs, Cats & Pets - PawBoost

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O'Fallon, MO - Lost Dogs, Cats & Pets - PawBoost We share lost & found pet alerts for O'Fallon. We also share found dogs, found cats, and found pets. Do you have a lost pet in O'Fallen?

Report a lost pet here: pawboost.com/fb/ofallon_mo

Your O'Fallon area lost dog, lost cat, or lost pet will be shared here after you create your report. Report it to PawBoost here: https://www.pawboost.com/fb/ofallon_mo

Please LIKE this page so you can be in on the search when a lost dog, lost cat, lost bird & other missing pets are lost in the O'Fallon area. We also share found dogs, found cats, found birds, and other found pets to this page. Together, we can help more stray animals get home safe :)

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Best of luck!!

🚨 This dog was FOUND YESTERDAY in O'Fallon, MO 63366 near Damnes Park.Please spread the word for this found dog by shari...
10/24/2026

🚨 This dog was FOUND YESTERDAY in O'Fallon, MO 63366 near Damnes Park.
Please spread the word for this found dog by sharing this post.

💬 Finder's Message: "Waited for someone to come look. O’Fallon PD took him to shelter across from community college for chip check"

🐾 Description: "Small tan very friendly. Has large cyst or lump by right front leg."

🔗 For more info or to contact this dog's finder, click here: https://www.pawboost.com/p/73548807

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

UPDATE: REUNITED!! Max is home safe & sound after 21 hours, 9 minutes :)🚨 Max was LOST YESTERDAY in O'Fallon, MO 63368 n...
10/23/2026

UPDATE: REUNITED!! Max is home safe & sound after 21 hours, 9 minutes :)

🚨 Max was LOST YESTERDAY in O'Fallon, MO 63368 near Sorrel Dr.
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "Max had separation anxiety and knocked out the window air conditioner after caregivers went out for an errand. He is friendly with humans and cats but not with unfamiliar dogs. He jumps, as he is still a puppy. Please reach out to me on Facebook my name is Jenna Mossor"

🐾 Description: "70 lb German Shepherd"

🔗 For more info or to contact Max's owner, click here: https://www.pawboost.com/p/73544161

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

UPDATE: REUNITED!! Zena is home safe & sound after 15 hours, 19 minutes :)🚨 Zena was LOST YESTERDAY in O'Fallon, MO 6336...
10/21/2026

UPDATE: REUNITED!! Zena is home safe & sound after 15 hours, 19 minutes :)

🚨 Zena was LOST YESTERDAY in O'Fallon, MO 63366 near Sherwood Forest ct.
Please spread the word for this lost cat by sharing this post.

🔗 For more info or to contact Zena's owner, click here: https://www.pawboost.com/p/73535063

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

🚨 Coco was LOST October 18, 2026 in Lake Saint Louis, MO 63367 near Petco an Dardeen Praire.Please spread the word for t...
10/21/2026

🚨 Coco was LOST October 18, 2026 in Lake Saint Louis, MO 63367 near Petco an Dardeen Praire.
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "Coco is my support animal. My husband past this year and she is a great companion for me and she is always near me. She is great company during this tough time for me. She sleeps with me. "

🐾 Description: "Multi shades of brown Shih Tzu"

🔗 For more info or to contact Coco's owner, click here: https://www.pawboost.com/p/73534918

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

🚨 Luna was LOST October 16, 2026 in O'Fallon, MO 63368 near Mallard pointe.Please spread the word for this lost cat by s...
10/19/2026

🚨 Luna was LOST October 16, 2026 in O'Fallon, MO 63368 near Mallard pointe.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "Has a chip"

🐾 Description: "Tuxedo cat, very friendly"

🔗 For more info or to contact Luna's owner, click here: https://www.pawboost.com/p/73527751

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

🚨 Coco was LOST TODAY in O'Fallon, MO 63368 near SSR-N O Fallon, MO 63368 United States.Please spread the word for this ...
10/19/2026

🚨 Coco was LOST TODAY in O'Fallon, MO 63368 near SSR-N O Fallon, MO 63368 United States.
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "My mom lost her dog at petco Dardenne prairie around 4:30 today. Her name is coco. Got off her leash and collar with no tags. She is chipped, but with a wrong address. Please contact if you found her."

🐾 Description: "Sh*tzou"

🔗 For more info or to contact Coco's owner, click here: https://www.pawboost.com/p/73525228

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

🚨 This cat was SIGHTED TODAY in Lake Saint Louis, MO 63367 near Parkgate Dr in Wyndgate.Please spread the word for this ...
10/18/2026

🚨 This cat was SIGHTED TODAY in Lake Saint Louis, MO 63367 near Parkgate Dr in Wyndgate.
Please spread the word for this found cat by sharing this post.

🐾 Description: "Dark grey and white with one white tipped ear"

🔗 For more info or to contact this cat's finder, click here: https://www.pawboost.com/p/73521999

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

🚨 This cat was FOUND TODAY in O'Fallon, MO 63366 near JC park.Please spread the word for this found cat by sharing this ...
10/16/2026

🚨 This cat was FOUND TODAY in O'Fallon, MO 63366 near JC park.
Please spread the word for this found cat by sharing this post.

💬 Finder's Message: "Hello! I live in st charles but my cousin found 2 cats near a dumpster months ago in oFallon, he spent the few months attempting to tame them to get close enough and once he did he brought them here. I took them to the vet to check for chips and no chip was found. They just got dewormed, deflead, and their shots today. "

🐾 Description: "Calico 2 female cats"

🔗 For more info or to contact this cat's finder, click here: https://www.pawboost.com/p/73516379

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

🚨 Skittles was LOST October 11, 2026 in O'Fallon, MO 63368 near Rowling Meadows trailer park.Please spread the word for ...
10/15/2026

🚨 Skittles was LOST October 11, 2026 in O'Fallon, MO 63368 near Rowling Meadows trailer park.
Please spread the word for this lost bird by sharing this post.

💬 Owner's Message: "Says peek a boo, pretty boy, his girls wants him back, mated pair for 5 years"

🐾 Description: "White and gray"

🔗 For more info or to contact Skittles's owner, click here: https://www.pawboost.com/p/73512241

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

UPDATE: REUNITED!! Tippy is home safe & sound after 7 days, 3 hours :)🚨 Tippy was LOST TODAY in O'Fallon, MO 63366 near ...
10/15/2026

UPDATE: REUNITED!! Tippy is home safe & sound after 7 days, 3 hours :)

🚨 Tippy was LOST TODAY in O'Fallon, MO 63366 near St. Joseph Avenue & Main Street.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "I last saw my sweet boy this morning before work. We think he ran out when the roommate let his dog out around lunchtime. He's a scared cat and is probably going to hide and meow. Please reach out if you see him, he has never left the yard before and I know he's scared."

🐾 Description: "Black and White Tuxedo Shy and Skittish"

🔗 For more info or to contact Tippy's owner, click here: https://www.pawboost.com/p/73512188

📣 Lost or found a pet? Report it to PawBoost here: https://www.pawboost.com/l/rpl

⚠️ WARNING: Please be cautious of users offering ‘pet tracking services’ in comments. We recommend only working with local shelters and verified organizations. Never send money to unknown services.

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