Boy name origins & meanings
- Spanish : A river
- English : River; by the riverbank
- Spanish : A river; the Rio Grande
Family name origins & meanings
- Spanish (Río), Portuguese, and Italian : from río ‘river’, ‘brook’ (from Latin rivus), applied either as a topographic name or as a habitational name from a place named with this word.
- Southern French (Occitan) : variant of Rioux.