Kloe is a K-spelling variant of Chloe, and 28 registry records at this rank suggest this is largely a paperwork artifact — owners who favor alternative spellings, typed quickly, or wrote the name as they heard it. The canonical Chloe ranks significantly higher and represents the same sound in practice.
K-Spelling Variant Drift
Chloe, Khloe, Kloe — the Kardashian era normalized K-initial spellings for traditionally C-initial names, and this created a long tail of variant spellings in both human birth records and pet registries. Khloe (two syllables, matching Khloé Kardashian) is the more deliberate of the K-variants; Kloe is the simpler compression. Both arrive at the same name when spoken aloud.
The Chloe Sound
Chloe is one of the most popular female pet names in the US — flowing, two-syllable, open-vowel ending, easy to call at distance. Whatever spelling you choose, the KLOH-ee sound is proven. Persian cats and small fluffy dogs collect it in high numbers.
The Counter-Reading: Just Use the Standard Spelling
Kloe will require correction at every vet visit and registration renewal — "That's K-L-O-E" is a sentence that will be repeated for the animal's entire life. Unless the spelling is genuinely meaningful, use Chloe. Browse pet names for alternatives.