See also the related category hebrew.
Jen is rarely used as a baby name for boys. It is not listed in the top 1000 names. Within the group of boy names directly linked to Jen, John was the most regularly used in 2018.
Baby names that sound like Jen include Jaeson, Jam (English), Jan (Czech, Dutch, English, German, Polish, Scandinavian, Belgian, and Slavic), Jasón, Jaym, Jean (French), Jeane, Jeanne, Jeen, Jem (English), Jenö (Hungarian), Jéan, Jhan, Jhon, Jian, Jim (English and Dutch), Jimm (English), Jin (Chinese and Japanese), Jinn, and Joan (Catalan).
† English pronunciation for Jen: JH as in "joy (JH.OY)" ; EH as in "ebb (EH.B)" ; N as in "knee (N.IY)"