Last name Jen Jen (Jen Jen 
) , in all the world, is an extremely rare family name. The family name Jen Jen is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname. Much more prevalently, Jen Jen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jen Jen | Australia, Philippines, Japan, Malaysia, Saudi Arabia |
Go, White, Mandey, Carter, Locsin, Montejo, Morales, Cadauan, Bridges, Dellava, Obianda, Sumacino, Asuncion, Caballes, Custodio, Bautista, Bentillo, Gonzales, Aurellana, Cristobal, Dela Cruz, Larangeira, Junio, Tolentino, Leong, Ramos, Ie, Wu, Xd, Mal, Cho, Don, Lam, Law, Lee, Lin, Lim, Jen, Jin, Tan, Tee, Mier, Chen, Chou, Chua, Cruz, Kanik, Dodge, and Istiqomah