Jennifer Chambers Lynch (born April 7, 1968) is an American film director and screenwriter, best known for writing the book The Secret Diary of Laura Palmer and for writing and directing the 1993 feature film Boxing Helena.

Lynch was born in Philadelphia, Pennsylvania, the daughter of artist and filmmaker David Lynch and painter Peggy Reavey. At the age of three, Lynch appeared in her father's Eraserhead.

Lynch was educated in Los Angeles and Michigan (at the prestigious Interlochen Arts Academy) and, as a teen, worked as a production assistant on her father's Blue Velvet (1986). Already known for her precocious writing ability, she authored The Secret Diary of Laura Palmer to accompany the Twin Peaks television show (1990) and wrote an episode of the popular science-fiction television series Friday the 13th: The Serieswww.imdb.com/title/tt0583329/ (also in 1990).