Jenny may refer to:

  • Jenny (given name), a popular feminine name and list of real and fictional people named Jenny
  • Jenny (surname), a family name
  • Jenny (novel), 1911 novel by Nobel laureate Sigrid Undset
  • "Jenny", song by The Mountain Goats from the 2002 album, All Hail West Texas
  • "Jenny", song by Chicago from the 1973 album Chicago VI
  • "Jenny", 1968 song by John Mayall's Bluesbreakers
  • "Jenny", 1997 song by Edyta Bartosiewicz from the album Dziecko
  • "Jenny" (song), 2007 song by The Click Five
  • "Jenny Jenny", song by Little Richard from the 1957 album Here's Little Richard
  • "867-5309/Jenny", 1982 song by Tommy Tutone
  • "Jenny from the Block", 2002 song by Jennifer Lopez
  • "Jenny Don't Be Hasty", 2006 song by Paolo Nutini
  • "Jenny take a ride", a song by The Detroit Wheels from the 1966 album Take a Ride
  • "Jenny Was a Friend of Mine", 2004 song by The Killers
  • "Pirate Jenny", song from The Threepenny Opera by Bertolt Brecht and Kurt Weill
  • Jenny (EP), 2003 EP by Stellastarr*
  • Jenny (TV series), 1997 sitcom featuring Jenny McCarthy
  • Jenny (film), 1970 TV movie starring Alan Alda and Marlo Thomas
  • Jenny (Doctor Who), the eponymous character in the Doctor Who episode, "The Doctor's Daughter"
  • Jenny (donkey), term for a female donkey
  • Spinning jenny, device used in the textile industry, where jenny is possibly a corruption of engine
  • Jenny, Suriname, town in Suriname
  • Curtiss JN-4 "Jenny", biplane flown during World War I and later popular for barnstorming
  • Inverted Jenny, famous United States postage stamp error involving a stamp with an upside down Curtiss JN4
  • The schooner Jenny, ship that was frozen in the Antarctic
  • Nickname for genoa (sail), large form of jib sail
  • Jenny (doll), Japanese toy
  • Jenny (gorilla), oldest gorilla in captivity at the time of her death at age 55
  • "Jenny", a poem by Patti Smith from her 1978 book Babel
  • Jenny 'XJ9' Wakeman, a fictional character from the TV Series "My Life As A Teenage Robot"
  • Jenny (Telugu Actor) is a Tollywood Actor