What does Rex mean?

a male sovereign; ruler of a kingdom

What's the origin of Rex?


How is Rex pronounced?


What does it say about you to have a cat named Rex?

It could mean that you are a fan of the movie "The Rocky Horror Picture Show" or that you are a tough guy.

Is Rex a good cat name?

Rex is a one-syllable cat name, making it succinct and fast to say. Rex is a widely adored cat name for obvious reasons. If you like it, go for it!

Rex is found in these categories:

traditional cat names

Popular since Roman times, this regal moniker means "king" in Latin.

fat cat names

Rex means king, perfect for a big, royal feline!

badass cat names

Kingly origins and dinosaur associations make this feline moniker fiercely cool.

tough cat names

Rex means king, perfect for a feisty, fearless feline ruler!

sassy cat names

Rex means king, perfect for a cat with attitude and royal flair.

big cat names

Rex means king, perfect for these majestic, powerful feline rulers!


Based on likes, Rex ranks #68 with users of

Rex is one of the more common cat names amongst our community. According to our statistics, Rex is considerably more popular than most other cat names.

Popularity: Historical Trend

Rex was, over the past 30 days, the 2955th ranked cat name for views on

As of May 2024, Rex is a name that's increasing in popularity with new kitten owners. According to our stats, it's more fashionable than it was at this time last year.

We've seen quite a bit of variance in rank for this name. That might suggest its popularity is based on seasonal factors or perhaps pop culture events.

In the past week, Rex was viewed 12 times, and liked 1 times.

Cat names like Rex:

Meaning: full of hardship or trials
Meaning: Heroic, violent, determined warrior.
Meaning: a large and strong and heavyset man
Meaning: (Greek mythology) Greek goddess of the night; daughter of Chaos; counterpart of Roman Nox
Meaning: eat greedily
Meaning: Brave, resilient, determined, strong

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