What does Rion mean?
Rion is an unusual given name for men but a very prominent surname for both adults and children (#37028 out of 88799, Top 42%). (2000 U.S. Census)
Shown below is an analysis of the usage of Rion and related names. Ryan (#37 a year ago) and Rian are the prominent related forms of Rion (#unlisted). These boy names were at the apex of their popularity in 1991 and are almost as popular today. Ryan (#37) is the most fashionable baby name here. (Top 1000 Baby Names Records, 2014)
Rion is pronounced similarly to Rain, Ren, Roan, Ron▼, Ronn and Roone. Other recommended similar baby names are Dion▼, Eion, Lion, Rio, Sion and Zion▲. These names tend to be more commonly used than Rion.