Blu

A unique pet name with broad appeal.

More boysUniqueCurious
#181

Meaning & Story

Blu is an intentional respelling of "blue," the English color term derived from the Old French bleu, of Germanic origin, related to the Old High German blao. The creative spelling gives the name a slightly more distinctive, playful quality while retaining all the associations of the color: sky, water, depth, and a certain melancholy cool. As a pet name, it typically references a blue-gray coat or striking blue eyes.

Blu ranks #181 among America's most popular pet names, and the alternate spelling signals something deliberate about the choice — owners who write it this way are making a small creative statement. The 2011 animated film Rio, whose main character is a flightless Spix's macaw named Blu, gave this name enormous visibility and a sense of adventure and discovery that has lingered in the decade since. It suits companions with blue-gray coloring or particularly striking eyes, though the name's personality — curious, slightly romantic, always searching — fits any companion with a wandering spirit.

About the Pet Name Blu

NamesPop Editorial TeamBy NamesPop Editorial Team··1 min read

Blu ranks at #181 with 578 entries, and the spelling is the entire story. The standard "Blue" is also widely used as a pet name (and ranks separately on our leaderboard), but Blu — without the E — has become its own identifiable register, slightly more modern and slightly more deliberate.

The dropped-E spelling pattern

Blu without the E mirrors the broader pet-naming trend toward minimal-letter spellings (Coda, Kona, Loki) that have proliferated over the past 10 to 15 years. The shorter spelling reads as more contemporary and more fashion-coded than the standard form. Compare with Koda, which uses the same minimalist instinct, and Kona, which sits adjacent on the leaderboard.

One counter-reading: a meaningful share of pet Blus are named after the 2011 animated film Rio, where Blu is a Spix's macaw. That film cohort is now reaching pet-adoption age (mid-20s), which is consistent with Blu sitting in the top 200 rather than fading out. The film's parrot-blue color register also matches a subset of blue-merle dogs and silver cats whose owners pick the name visually.

Where the name lands by breed

Australian Shepherds, Australian Cattle Dogs (Blue Heelers), Weimaraners, and gray-blue mixed breeds over-index on Blu. Cats with blue or silver coats also carry the name well, and Russian Blue cats produce a particularly tight cluster. The fashionable single-syllable shape lands on small companions too. Compare with the Australian Shepherd leaderboard and the Weimaraner leaderboard for breed-specific clustering. Owners who pick Blu rather than the standard Blue spelling are usually committed to that aesthetic choice and rarely waver on it.

Famous Pets Named Blu

  • Blufrom the Spix's macaw in Rio

    2011 animated film

At a Glance

#181
Overall Rank
578
Registered
Boys
Popular With

Popular Breeds Named Blu

Breeds that commonly use the name Blu
BreedPets Named
American Pit Bull Terrier/Pit Bull86
American Pit Bull Mix / Pit Bull Mix48
Siberian Husky25
Siamese2
Birman1
Domestic Shorthair1

Blu's Personality

Pets named Blu are most often described as:

  • uniqueStrong match
  • curiousCommon
  • calmSometimes
  • strikingOccasionally

Trait order based on owner reports across pet registries.

Frequently Asked Questions

Is Blu a good pet name?

Blu is a well-known pet name with 578 registered pets. Pets named Blu are often described as Unique, Curious, Calm.

Is Blu a boy or girl pet name?

Blu is more commonly given to male pets, though it can be used for any pet.

Last updated June 2026 · Data: NYC & Seattle pet licensing records · Methodology