Jen might be:
*A Chinese name, a variant transliteration of ''rén'' , the .
*A diminutive form of the name .
;Famous people with this surname
*Chih-Kung Jen, Chinese-American physicist
*Mark Jen, U.S. computer specialist
;Famous people with this given name
*Jen Sorensen, U.S. cartoonist
*Jen Trynin, U.S. singer-songwriter
*Jen Wood, U.S. musician
*Jen-Hsun Huang, U.S. businessman
*Jen Masterson, character on ''6teen''
*Jen Scotts, Pink Time Force Ranger
*Jen , protagonist in 1982 film ''The Dark Crystal''