Surname Jen-Jen (Jen-Jen 
) , all around the world, is an extremely rare family name. Much more prevalently, Jen-Jen is the forename as well as the last name. Parts of the name also exists independently as a first name Jen, and a first name Jen.
| VARIANT | COUNTRY |
|---|---|
| Jen-Jen | United States, Philippines, Canada |
Sui, Jarito, Havard, Virrey, Marcelo, Mahusay, Mendoza, Alfante, Bogalis, Padillo, De Vera, Tingson, Eugenio, Samindao, Arellano, Brotonel, Gonzales, Lantican, Espiritu, Frondozo, Filipino, Macapagal, Llagas, Lorico, Garcia, Castro, Lin, Hou, Yap, Salo, Shum, Amor, Chen, Cruz, Pasq, Royo, Dela Cruz, Luna, Silva, Ramos, Reyes, Duran, Vidad, Moreno, Micira, Alonzo, Aranda, Acosta, Neis, and Villanueva