Meaning of Cato. Latin-American name. In Latin-American, the name Cato means-good judgement.The name Cato originated as an Latin-American name. The name Cato is a unisex name and can be used for a boy or girl name (male or female).Latin-American Name Meaning-good judgement. Origin-Latin-America.atin-American name. In Latin-American, the name Cato means-good judgement.The name Cato originated as an Latin-American name. The name Cato is a unisex name and can be used for a boy or girl name (male or female). Latin-American Name Meaning-good judgement. Origin-Latin-America.