Last name เจนนี่ (Jeni 
, Jennii 
, Jennee 
) , in the entire world, is quite a common surname. The family name เจนนี่ is habitual in Qatar, where it is quite a rare surname, Georgia, and Romania. Measured by absolute frequency, the name is most common in Indonesia, Bangladesh, and India. More prevalently, เจนนี่ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jeni | Indonesia, United States, Tanzania, India, Brazil |
| Jennii | Guatemala, Australia, Mexico, Colombia, United States |
| Jennee | United Kingdom, Australia, United States, India, Brazil |
Chennii, Gennie, Genny, Jaenee, Jaeni, Jaenny, Jaenyee, Jaeunee, Jahnny, Jainane, Jainee, Jainny, Jainuy, Jane'E, Janei, Janey, Jeannee, Jeanney, Jeanni, Jeany, Jeenie, Jeenngee, Jeennie, Jeenniem, Jeenny, Jenae, Jeneane, Jenelyn, Jenene, Jenhee, Jenhnu, Jenie, Jenine, Jenney, Jennh, Jenni, Jennie, Jennu, Jenny, Jeny, Jenyid, Jenyoot, Jernny, and Thengeen