Coco

Coco likely derives from the French and Spanish nickname tradition, where 'coco' was used as an affectionate term for a small, treasured thing — sometimes compared to a coconut, round and full of sweetness inside. In French, it also served as a term of endearment similar to 'darling.' The name gained glamour through fashion icon Coco Chanel, born Gabrielle Bonheur Chanel, who transformed a childhood nickname into one of the most recognized names in modern history. That blend of playful informality and unexpected chicness is what gives Coco its enduring appeal.

Coco is the only name in the Top 10 that is not classified as a traditional human name, yet it ranks #5 with 5,603 pets — a testament to how naturally it fits the companion animal world. The doubled syllable 'Co-co' is inherently playful and rhythmic, the kind of name you find yourself saying in a singsongy voice without meaning to. It suits pets with personality: spirited, expressive, perhaps a little dramatic. The Coco Chanel association gives it an undeniable sense of style, while Pixar's 2017 film 'Coco' added a layer of warmth and cultural richness to the name. Whether your companion is sophisticated or wonderfully chaotic, Coco carries it all with a certain flair.