L
- Shia LaBeouf (born 1986)
- The Christmas Path (1998)
- Monkey Business (1998)
- Breakfast With Einstein (1998)
- Even Stevens (1999–2003)
- Hounded (2001)
- Tru Confessions (2002)
- Holes (2003)
- The Even Stevens Movie (2003)
- Dumb and Dumberer: When Harry Met Lloyd (2003)
- Charlie's Angels: Full Throttle (2003)
- The Battle of Shaker Heights (2003)
- Matthew Laborteaux (born 1966)
- A Woman Under the Influence (1974)
- Little House on the Prairie (1978–1983)
- Whiz Kids (1983–1984)
- Patrick Labyorteaux (born 1965)
- Mame (1974)
- Little House on the Prairie (1977–1981)
- Christine Lakin (born 1979)
- The Rose and the Jackal (1990)
- Step by Step (1991–1998)
- Diane Lane (born 1965)
- A Little Romance (1979)
- Touched by Love (1980)
- Ladies and Gentlemen, The Fabulous Stains (1982)
- The Outsiders (1983)
- Rumble Fish (1983)
- Chloe Rose Lattanzi (born 1986)
- A Christmas Romance (1994)
- The Wilde Girls (2001)
- Billy Laughlin (1932–1948)
- Our Gang (1940–1944)
- Taylor Lautner (born 1992)
- Shadow Fury (2001)
- Cheaper by the Dozen 2 (2005)
- The Adventures of Sharkboy and Lavagirl in 3-D (2005)
- He's a Bully, Charlie Brown (2006)
- Twilight (2008) - as Jacob
- My Own Worst Enemy (2008)
- The Twilight Saga: New Moon (2009) - as Jacob
- Valentine's Day (2010)
- The Twilight Saga: Eclipse (2010) - as Jacob
- Jennifer Lawrence (born 1990)
- Company Town (2006)
- Not Another High School Show (2007)
- Garden Party (2008)
- The Poker House (2008)
- The Bill Engvall Show (2007–present)
- Joey Lawrence (born 1976)
- Gimme a Break! (1983–1987)
- Summer Rental (1985)
- Who's the Boss (1986)
- Pulse (1988)
- Chains of Gold (1990)
- Blossom (1991–1995)
- Matthew Lawrence (born 1980)
- Gimme a Break! (1986–1987)
- Planes Trains and Automobiles (1987)
- Pulse (1988)
- David (1988)
- Tales from the Darkside: The Movie (1990)
- Drexell's Class (1991–1992)
- Mrs. Doubtfire (1993)
- Superhuman Samurai Syber-Squad (1994)
- Brotherly Love (1995–1997)
- Boy Meets World (1997–2000)
- Bessie Learn (1888–1987)
- Hearts are Trumps (ca. 1896)
- Davey Lee (1924–2008)
- The Singing Fool (1928)
- Say It With Songs (1929)
- Eugene Gordon Lee (1933–2005)
- Our Gang (1935–1939)
- Lila Lee (1901–1973)
- The Cruise of the Make-Believes (1918)
- Such a Little Pirate (1918)
- Jane Goes A'Wooing (1919)
- The Secret Garden (1919)
- Puppy Love (1919)
- Rustling a Bride (1919)
- A Daughter of the Wolf (1919)
- Rose o'the River (1919)
- The Heart of Youth (1919)
- The Lottery Man (1919)
- Hawthorne of the U.S.A. (1919)
- Male and Female (1919)
- Nathan Lee Chasing His Horse (born 1976)
- Dances with Wolves (1990)
- The Broken Chain (television film, 1993)
- Trent Lehman (1961–1982)
- Nanny and the Professor (1970–1971)
- Logan Lerman (born 1992)
- The Patriot (2000)
- What Women Want (2000)
- Riding in Cars with Boys (2001)
- A Painted House (2003)
- The Butterfly Effect (2004)
- Jack & Bobby (2004–2005)
- Hoot (2006)
- The Number 23 (2007)
- 3:10 to Yuma (2007)
- Meet Bill (2008)
- Gamer (2009)
- My One and Only (2009)
- Percy Jackson & the Olympians: The Lightning Thief (2010)
- Elsie Leslie (1881–1966)
- Little Lord Fauntleroy (1888)
- Prince and the Pauper (1890)
- Rip Van Winkle (1894)
- Jack Levinson (born 1988)
- Toys (1992)
- Emmanuel Lewis (born 1971)
- Webster (1983–1987)
- Juliette Lewis (born 1973)
- National Lampoon's Christmas Vacation (1989)
- Too Young to Die? (1990)
- Cape Fear (1991) - as Danielle Bowden
- Jennifer Lien (born 1974)
- Another World (1991–1992)
- Amy Linker (born 1966)
- Square Pegs (1982–1983)
- Cody Linley (born 1989)
- My Dog Skip (2000)
- Where the Heart Is (2000)
- Miss Congeniality (2000)
- When Zachary Beaver Came to Town (2003)
- Cheaper by the Dozen (2003)
- Rebound (2005)
- Echoes of Innocence (2005)
- Hannah Montana (2006–)
- Hoot (2006)
- The Haunting Hour Volume One: Don't Think About It (2007)
- Jonathan Lipnicki (born 1990)
- Jerry Maguire (1996)
- The Jeff Foxworthy Show (1996–1997)
- Doctor Dolittle (1998)
- Stuart Little (1999) - as George
- The Little Vampire (2000)
- Like Mike (2002)
- Stuart Little 2 (2002) - as George
- When Zachary Beaver Came to Town (2003)
- The L.A. Riot Spectacular (2005)
- Danny Lloyd (born 1973)
- The Shining (1980) - as Danny Torrance
- Eric Lloyd (born 1986)
- Heart and Souls (1993)
- Greedy (1994)
- The Santa Clause (1994)
- Dunston Checks In (1996) - as Kyle
- Batman & Robin (1997)
- Deconstructing Harry (1997)
- My Giant (1998)
- The Santa Clause 2 (2002)
- Jake Lloyd (born 1989)
- Jingle All the Way (1996)
- Star Wars Episode I: The Phantom Menace (1999)
- Emma Lockhart (born 1994)
- Eve's Dropping In (2003)
- Special Ed (2005)
- Batman Begins (2005)
- Looking for Comedy in the Muslim World (2005)
- Canvas (2006)
- Cirroc Lofton (born 1978)
- Star Trek: Deep Space Nine (1993–1999)
- Lindsay Lohan (born 1986)
- The Parent Trap (1998) - as Hallie Parker / Annie James
- Life-Size (2000) - as Casey
- Get a Clue (2002)
- Freaky Friday (2003) - as Anna
- Confessions of a Teenage Drama Queen (2004) - as Lola
- Mean Girls (2004)
- Carole Lombard (1908–1942)
- A Perfect Crime (1921) (film debut)
- Ben-Hur: A Tale of the Christ (1925)
- The Plastic Age (1925)
- The Johnstown Flood
- My Best Girl (1927)
- Mike Lookinland (born 1960)
- The Brady Bunch (1969–1974) - as Bobby Brady
- The Brady Kids (1972–1974) (voice)
- Mario Lopez (born 1973)
- Kids Incorporated (1984–1986)
- Saved by the Bell (1989–1993) - as A.C. Slater
- Lisa Loring (born 1958)
- The Addams Family (1966)
- The Pruitts of Southampton (1966)
- Mary Lou (born 1992)
- What Should You Do? (2003)
- Unfabulous (2004–2007)
- Phil of the Future (2005)
- Future Girls: Adventures in Marine Biology (2006)
- Bad Mother's Handbook (2008)
- Glee (2009)
- Jesus Awakens the Little Girl (2010)
- Lori Loughlin (born 1964)
- Edge of Night
- Who's the Boss
- Full House
- Demi Lovato (born 1992)
- Barney and Friends (2002-2003)
- As The Bell Rings (2007)
- Camp Rock (2008)
- Sonny With A Chance (2009–present)
- Camp Rock 2 (2010)
- Rob Lowe (born 1964)
- A New Kind of Family (1979)
- Lisa Lucas (born 1961)
- The House Without a Christmas Tree (1972)
- The Thanksgiving Treasure (1973)
- The Easter Promise (1975)
- Addie and the King of Hearts (1976)
- An Unmarried Woman (1978)
- Dawn Lyn (born 1963)
- Cry Blood, Apache (1970)
- My Three Sons (1969–1972)
- Sue Lyon (born 1946)
- Letter to Loretta (1959)
- Lolita (1962)
- The Night of the Iguana (1964)
- Natasha Lyonne (born 1979)
- A Man Called Sarge (1990)
- Everyone Says I Love You (1996)
Read more about this topic: List Of Former Child Actors From The United States