Jennifer Diane “Jenny” Lewis, born January 8, 1976, is an American singer-songwriter, musician, and actress. She is best known as the lead singer and rhythm guitarist for the indie rock band Rilo Kiley.

Lewis first gained prominence in the 1980s as a child actress, appearing in films such as Troop Beverly Hills in 1989 and The Wizard in 1989, as well as the television series Brooklyn Bridge from 1991-93.

In the mid-1990s, Lewis took a break from acting to focus on her musical career, and formed Rilo Kiley in 1998 with fellow former child actor, Blake Sennett, along with Pierre de Reeder and Dave Rock. Rilo Kiley released four albums before they officially disbanded in 2014.

Lewis has released four solo albums: Rabbit Fur Coat in 2006, Acid Tongue in 2008, The Voyager in 2014, and On the Line in 2019.

In addition to Rilo Kiley and her solo career, Lewis has also been a member of the bands The Postal Service, Jenny & Johnny, and Nice As Fuck.