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By Pamela Redmond · Jul 2026

Cassio

OriginItalian variation of Cassius
Meaning"hollow"
GenderBoy
Also a girl's nameShow me Cassio as a girl's name
NB Rank#1565

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About Cassio

Variation of Cassius

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World rankings

#1565🫐 Nameberry

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Famous Cassios

  • Cassio Motta

    Brazilian doubles tennis player

  • Cassio Oliveira

    Brazilian,Australian footballer

Cassio in pop culture

  • Theseus Cassio "Cas" Lowood

    main character in "Anna Dressed in Blood"

  • Casio

    brand of electric keyboard

Cassio on more lists

Italian Names
Italian Names for Boys
6 Letter Boy Names
Names Ending in O for Boys
Names That Mean Hollow

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