Jernayn \j(e)-rna-yn, jer-nayn\ as a boy's name is a variant of Germain (Latin, French), and the meaning of Jernayn is "brotherly; from Germany".

The baby name Jernayn sounds like Arnan and Arnon. Other similar baby names are Jermayne, Jermain, Germayn, Hernan, Jerman, Jeran, Jermyn and Kernan.