Rex dog name - meaning, origin, personality and popularity

Rex is a strong and regal name for a dog that exudes power and loyalty. It is perfect for a canine companion that is confident and commanding.

Popularity of the name

• #120 most popular dog name
• Most popular gender: Male
• Most popular breed: Bulldog

Photos of dogs named Rex

Here are 20 of the latest pictures of dogs named Rex from our database of 366 dogs with the name Rex.

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About dogs named Rex

The following are 30 profiles of dogs named Rex from our database of 366 dogs with the name Rex.

• “I am a 7 year old golden retriever that loves to be next to my human. I love to swim and have a great time.“

  — Kory O.

• “Young bachelor all about that bachelor life. Sorry ladies my heart belongs to my mama. But i do love kisses and butt rubs!“

  — Lorena V.

• “Loves to play with his sister and likes to run. She loves to sniff and jump around. He’s still a baby so loves to mess with everybody lol.“

  — Lynethe R.

• “Rex is a three year-old American bully. Spoiled is an understatement. He is bougie as can be, but I wouldn’t trade him for nothing in the world. He loves people and doesn’t meet a stranger and when he finds the people he likes oh he let you know because then he’s got to see you every day but , He does like to jump on people. We’re working on that and he is making great progress with that to some extent. he is a mama’s boy he doesn’t let me get too far out of his sight. I’ve tried to get someone to watch him or to have a dog walker when I’m at work it doesn’t work. He doesn’t have no part of it if I’m not around so if I can’t go somewhere and Rex go with me then I don’t go because baby boy goes everywhere. He goes to work with me thank God for that and then when I go on vacation or out of town he goes so he’s.“

  — Brandy W.

• “I am a high Energy, loves to have fun, zummies, body-slam Dad, cuddles with Mom and wake up my teenage human sister dog.“

  — Kimberle T.

• “My name is Rex, I am a four year old pomsky. I am very curious and happy to meet her friends. I am a bit scared of big dogs but I LOVE small dogs“

  — Ava P.

• “HELLO I AM REX. I love friends! Sometimes i overstimulate myself and others so i need my own space sometimes. I love to play chase and i am always very haply and excited. Never bite or be aggressive i like being kind to others.“

  — Luke Z.

• “Rex is a high energy, playful dog. He loves to sniff, fetch, and play tug. He also enjoys playing with kids.“

  — Tyler D.

• “Hi im Rex! I am a small guy and love to play with other dogs! I love saying hi to other humans too! I honestly just love everyone! Im my mamas baby, shhhh... dont tell my brother or sister. 🤭 Im the fastest runner in my family, mom says Im as fast as a bullet. I can get territorial sometimes, but thats because all the toys are mine!! Mom yells at me when I do this and then I get sad that I cant have all the toys, but its ok it doesn't take long for me to find something else to do.“

  — Shanley P.

• “I love playing ball. I am very good at sharing my ball and will nudge it toward my friend to get the game going. I have a lot of initial energy, but can get tired quickly. Sometimes I mount but I'm never aggressive. I just love speeding around and playing with a buddy.“

  — Laura S.

• “Rex is still a puppy! He likes to run and play, but still very much into naps!“

  — Nichole C.

• “Rex is about a year and 7 months and loves to play fetch with frisbees and balls“

  — Gabriela K.

• “I love to walk through water. I'm not sure what else because I have a new mom that doesn't know everything I like to do yet.“

  — Rebecca B.

• “I like the water. I'm new at this and have some anxiety. I don't know how I will act but at home I'm sweet and loving. I used to live with a small dog but I do not like the cats at my new home. Dog who are the same size or bigger give me anxiety.“

  — Rebecca B.

• “I’m a playful happy puppy! Everything is fun and exciting and I am learning how to be a good boy from my big brother!“

  — Brandi J.

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Most Popular Dog Names By Gender

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David Adams

Aug 7, 2026

Dog Names

David Adams

About the author

David Adams is a man of many passions, but his love for dogs stands above all. He is not only a dog lover, but also the founder of an innovative platform called Sniffspot. This unique platform connects dog owners with private property owners who are willing to rent out their space for off-leash playtime. While the idea of Sniffspot was initially conceived by his wife, Rebecca, David has been the driving force behind its remarkable success, tirelessly overseeing its growth and development. David's dedication to providing safe and enjoyable spaces for dogs to play, explore, and socialize is evident in his unwavering commitment to Sniffspot. He strongly believes that dogs need ample space and opportunities to stretch their legs and have fun. As a result, he has worked tirelessly to build a network of private property owners across the country who share his vision and are willing to offer their space for the benefit of dogs and their owners. Despite his busy schedule, David always finds time to indulge in his passion for the great outdoors. He loves nothing more than exploring new hiking trails and embarking on thrilling outdoor adventures. Whenever he is not working on Sniffspot, he can often be found hiking or visiting multi-acre fenced sniffspots with his two beloved dogs, Soba and Toshii. He is an avid outdoorsman who enjoys the fresh air, breathtaking scenery, and the sense of freedom that comes with being in nature. David is based in Salem, MA.

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