Meaning and name origin
Rio \rio\ as a boy's name is pronounced REE-oh. It is of Spanish origin, and the meaning of Rio is "river". Place name; independent name and short form of names ending with -rio. Rio de Janiero, Brazil, which means "January river" in Portuguese. The Rio Grande is the boundary river between Texas and Mexico, and its name means "big river" in Spanish.
Rio has 1 variant form: Reo.
Rio is not a popular first name for males but a very popular surname or last name for all people (#13665 out of 88799, Top 15%) (2000 U.S. Census).
Displayed below is the baby name popularity of the name Rio for boys. Rio reached its highest rank of #98 in Canada in 2004. (2014 statistics).
Rio is also pronounced similarly to Rae, Rai, Ray▼, Rei, Rey, Roe, Roi, Row, Roy▼, Ruy, Rye and Ryu. Other suggested similar baby names are Pio, Ric, Rico▼, Rik, Rion, Rip and Rito. These names tend to be more commonly used than Rio.