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

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!!

Please spread the word so we can reunite this found dog with its family! SIGHTED on June 7, 2026 in O'Fallon, MO 63368 n...
06/07/2026

Please spread the word so we can reunite this found dog with its family! SIGHTED on June 7, 2026 in O'Fallon, MO 63368 near Amber Wave Drive and Presidents Landing

Message from Finder: "Dog is very friendly and wants to go home. We have him in a fenced yard. Please claim him asap. "

Description: Black pit bull make very nice to people has issues with other dogs

Do you have information? Contact finder here: https://www.pawboost.com/p/72977483

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

⚠️ 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.

🚨Nova was LOST on June 6, 2026 in O'Fallon, MO 63367 near Moffett Laurel Dr. O'Fallon MO .Please spread the word for thi...
06/07/2026

🚨Nova was LOST on June 6, 2026 in O'Fallon, MO 63367 near Moffett Laurel Dr. O'Fallon MO .
Please spread the word for this lost dog by sharing this post.

🔗 For more info or to contact Nova's owner, click here: https://www.pawboost.com/p/72976132

📣 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.

🚨Cinder was LOST on June 5, 2026 in O'Fallon, MO 63366 near Behind Walmart in O’Fallon, MO.Please spread the word for th...
06/06/2026

🚨Cinder was LOST on June 5, 2026 in O'Fallon, MO 63366 near Behind Walmart in O’Fallon, MO.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "She is very sweet. Not full grown please help!"

🐾 Description: "My 8 months old
She has a yellow eyes, a grey striped body, white chest and chin with half dilute orange face and spots throughout. "

🔗 For more info or to contact Cinder's owner, click here: https://www.pawboost.com/p/72973433

📣 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.

Please spread the word so we can reunite this found cat with its family! FOUND on June 3, 2026 in O'Fallon, MO 63366 nea...
06/04/2026

Please spread the word so we can reunite this found cat with its family! FOUND on June 3, 2026 in O'Fallon, MO 63366 near Mexico road

Message from Finder: "This baby needs a home asap! Or his family "

Description: Was very skittish but now I can pet him and even pick him up he's not neutered

Do you have information? Contact finder here: https://www.pawboost.com/p/72964368

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

⚠️ 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.

🚨Bubba was LOST on June 3, 2026 in O'Fallon, MO 63366 near cordes street .Please spread the word for this lost cat by sh...
06/04/2026

🚨Bubba was LOST on June 3, 2026 in O'Fallon, MO 63366 near cordes street .
Please spread the word for this lost cat by sharing this post.

🐾 Description: "Black, bald spots by ears, clawed"

🔗 For more info or to contact Bubba's owner, click here: https://www.pawboost.com/p/72964327

📣 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!! Chloe is home safe & sound after 5 hours, 47 minutes :)"Thank you so much to everyone who helped me g...
06/01/2026

UPDATE: REUNITED!! Chloe is home safe & sound after 5 hours, 47 minutes :)

"Thank you so much to everyone who helped me get Chloe back home. She was picked up and taken to St Charles Pet Adoption Center and now she’s back home ❣️"
-Chloe's Owner
🚨Chloe was LOST on June 1, 2026 in O'Fallon, MO 63366 near Mexico Road and Washington’s Crossing Across from Rock Creek Elementary School .
Please spread the word for this lost dog by sharing this post.

💬 Owner's Message: "Not sure she will answer to her name. She’s never been loose. Friendly but will probably run from you. If she has something she is protecting don’t try to take it. "

🐾 Description: "White with tan spot part Great Pyrenees "

🔗 For more info or to contact Chloe's owner, click here: https://www.pawboost.com/p/72953119

📣 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.

Please spread the word so we can reunite this found cat with its family! SIGHTED on May 31, 2026 in O'Fallon, MO 63368 n...
05/31/2026

Please spread the word so we can reunite this found cat with its family! SIGHTED on May 31, 2026 in O'Fallon, MO 63368 near Monterra and post rd

Message from Finder: "He has been around our home for a couple of days and cries continuously "

Description:

Do you have information? Contact finder here: https://www.pawboost.com/p/72950857

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

⚠️ 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.

🚨Maye was LOST on May 30, 2026 in O'Fallon, MO 63366 near Bryan and Veterans Memorial Parkway.Please spread the word for...
05/31/2026

🚨Maye was LOST on May 30, 2026 in O'Fallon, MO 63366 near Bryan and Veterans Memorial Parkway.
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "Please contact me at if you find her. If you drop her off at a Vet Clinic, please know she is micro chipped and they do have all of my correct information with the microchip company on file. I very much need to get my cat back, please"

🐾 Description: "She’s a very friendly, orange tabby, and responds to her name, which is Maye. She is very vocal and she is also micro chipped so if you can get her to the vet, they will call me and let me know that she is there."

🔗 For more info or to contact Maye's owner, click here: https://www.pawboost.com/p/72949436

📣 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.

🚨Weasley was LOST on May 23, 2026 in St. Peters, MO 63376 near Knaust .Please spread the word for this lost cat by shari...
05/27/2026

🚨Weasley was LOST on May 23, 2026 in St. Peters, MO 63376 near Knaust .
Please spread the word for this lost cat by sharing this post.

🐾 Description: "Small adult white and gray cat"

🔗 For more info or to contact Weasley's owner, click here: https://www.pawboost.com/p/72931325

📣 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!! Sushi is home safe & sound after 2 days, 1 hours :)"Thank you everyone for your concerns, Sushi came...
05/25/2026

UPDATE: REUNITED!! Sushi is home safe & sound after 2 days, 1 hours :)

"Thank you everyone for your concerns, Sushi came home on her own yesterday 💕💕💕 😺😺😺"
-Sushi's Owner
🚨Sushi was LOST on May 24, 2026 in O'Fallon, MO 63366 near Winterhill Dr. Pebble rook subdivision .
Please spread the word for this lost cat by sharing this post.

💬 Owner's Message: "If found contact or please we will pick her up right away she probably misses her sister, they have never been apart "

🐾 Description: "Gray and white with tan and white paws 2 years old"

🔗 For more info or to contact Sushi's owner, click here: https://www.pawboost.com/p/72925313

📣 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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