Its the same you just pronounce it diffferently
Jennifer is a name and doesn't have any dictionary meaning so it will also be called Jennifer in Spanish. There is no translation for it.
Jennifer is a common enough name in Hispanic communities that no translation is expected, but you can trace a link to another Spanish name as follows.
Jennifer is the Cornish form of the Welsh name Gwenhwyfar. The Norman French rendered Gwenhwyfar as Guinevere, which made its way to Spain as Genoveva and Genobeba.
www.behindthename.com/name/jennifer wiki.answers.com/Q/How_do_you_say_Jennifer_in_Spanish
Jennifer is the Cornish form of the Welsh name Gwenhwyfar. The Norman French rendered Gwenhwyfar as Guinevere, which made its way to Spain as Genoveva and Genobeba.
www.behindthename.com/name/jennifer wiki.answers.com/Q/How_do_you_say_Jennifer_in_Spanish