The meaning of the name Londyn is From The Great River. The origin of the name Londyn is English. This is the culture in which the name originated, or in the case of a word, the language.
Julie London, actress. Jack London, author.
Londyn is on 2,822 BN name lists Londyn is currently not ranked on the BN charts Londyn is currently #131 in U.S. births
Londyn 
