Meaning and name origin
Rion is not a popular first name for males but a very popular surname or last name for all people (#37028 out of 88799, Top 42%) (2000 U.S. Census).
Rion is also pronounced similarly to Rain, Ren, Roan, Ron, Ronn and Roone. Other suggested similar baby names are Dion, Eion, Lion, Rio, Sion and Zion. These names tend to be more commonly used than Rion.