Jenny \j(en)-ny\ as a girl's name is pronounced JEN-ee. It is of English origin. Originally a pet form of Jean in the Middle Ages; now used as a short form of Jennifer. Also used for blends and compound names. Dancer Jennita Russo.
Jenny has 27 variant forms: Jen, Jenalee, Jenalynn, Jenarae, Jeneen, Jenene, Jenetta, Jeni, Jenica, Jenice, Jeniece, Jenika, Jenise, Jenita, Jenna, Jennessa, Jenni, Jennie, Jennika, Jennilee, Jennilyn, Jennis, Jennita, Jennyann, Jennylee, Jinni and Jinny.