What does Jonn mean?
Jonn is a rare first name for men. Jonn is also a rare last name for both adults and children. (2000 U.S. Census)
Below is a graphed comparison of the usage of the boy name Jonn and corresponding names. Jon (#675 the previous year) and Jonnie are the popular related forms of Jonn (#unlisted) ranked in the Top 1000. Adoption of these boy names was at its peak during 1960-1969 (usage of 0.457%) and is now much less (usage 0.1625%, down 64.4%), with the form Jon becoming less stylish. (2014 Birth Statistics)
Jonn is alike in pronunciation to Jan▼, Janne, Jean▼, Jian, John, Johnn and June▼. Other recommended similar baby names are Conn, Donn▼, Janna, Jano, Jeno, Jino, Johan, Johann, Johnny▼, Johon, Jona, Jonah, Jorn, Juan, Lonn, Ronn and Vonn. These names tend to be more frequently used than Jonn.