Fictional

• Marty's girlfriend in Back to the Future
• The Doctor's daughter in Doctor Who
• Jordan and Perry's daughter in Scrubs

Real

• Jennifer Saunders
• Jennifer Rush
• Jennifer Lopez
• Jennifer Aniston
• Jenny Lewis
• Jennifer Bush
• Jennifer Hudson
• Jennifer Garner
• Jennifer Capriati
• Jennifer Love-Hewitt
• Jennifer Tilly
• Jenny Eclair
• Jenny McCarthy
• Jennifer Esposito
• Jennifer Ellison
• Jennifer Connelly

Non-human

• Jenny Long-Legs
• Jenny Calipers
• My former mechanics tutor's slang for "generator" was Jenny