A
- Brandon Quintin Adams (born 1979)
- The People Under the Stairs (1991)
- The Mighty Ducks (1992)
- The Sandlot (1993)
- D2: The Mighty Ducks (1994)
- Maude Adams (1872–1953)
- Fritz, Our German Cousin (1870s)
- The Wandering Boys (1880)
- The Paymaster (1888)
- Liam Aiken (born 1990)
- Stepmom (1998)
- I Dreamed of Africa (2000)
- Road to Perdition (2002)
- Good Boy! (2003)
- Lemony Snicket's A Series of Unfortunate Events (2004)
- Jessica Alba (born 1981)
- Camp Nowhere (1994)
- Venus Rising (1995)
- Flipper (1995–1996)
- Too Soon for Jeff (1996)
- Wally Albright (1925–1999)
- Thunder (1929)
- Kristen Alderson (born 1991)
- One Life to Live (1998–present)
- Phillip Alford (born 1948)
- To Kill a Mockingbird (1962)
- Tatyana Ali (born 1979)
- Eddie Murphy Raw (1987)
- Crocodile Dundee II (1988)
- The Fresh Prince of Bel-Air (1990–1996) - as Ashley Banks
- Aleisha Allen (born 1991)
- School of Rock (2003)
- Are We There Yet? (2005) - as Lindsey Kingston
- Are We Done Yet? (2007) - as Lindsey Persons
- Chad Allen (born 1974)
- St. Elsewhere (1983, 1985)
- Webster (1985–1986)
- Our House (1986–1988)
- My Two Dads (1989–1990)
- Chet Allen (1939–1984)
- Amahl and the Night Visitors of Hallmark Hall of Fame (1951–1952)
- Meet Me at the Fair (1953 film)
- Bonino (1953)
- Viola Allen (1869–1948)
- Esmerelda (1881)
- Lindsey Alley (born 1977)
- Ernest Saves Christmas (1988)
- The Mickey Mouse Club (1989–1994)
- Bridgette Andersen (1975–1997)
- Washington Mistress (1982)
- Savannah Smiles (1982)
- Mae West (1982)
- Gun Shy (1983)
- Nightmares (1983)
- The Return of Marcus Welby, M.D. (1984)
- Fever Pitch (1985)
- A Summer to Remember (1985)
- Between Two Women (1986)
- Parent Trap II (1986)
- Too Much (1987)
- Melissa Sue Anderson (born 1962)
- Little House on the Prairie (1974–1981)
- Skatetown, U.S.A. (1979)
- June Angela (born 1959)
- The Electric Company (1971–1977) - as Julie
- Christina Applegate (born 1971)
- Married... with Children (1987–1997)
- Ashley Argota (born 1993)
- Schooled (2007)
- iCarly (2008)
- True Jackson, VP (2008–present)
- Alison Arngrim (born 1962)
- Little House on the Prairie (1974–1981)
- Stefan Arngrim (born 1955)
- The Way West (1967)
- Land of the Giants (1968–1970)
- Silent Night, Lonely Night (1969)
- Mackenzie Astin (born 1973)
- I Dream of Jeannie: 15 Years Later (1985)
- The Facts of Life (1985–1988)
- Iron Will (1987)
- Sean Astin (born 1971)
- The Goonies (1985)
- Like Father Like Son (1987)
- White Water Summer (1987)
- The War of the Roses (1989)
- Tanveer K. Atwal (born 1994)
- The Matrix Revolutions (2003)
- The Matrix Online (2005)
- Jake T. Austin (born 1994)
- Wizards of Waverly Place (2007–2012)
- Hotel for Dogs (2009)
- The Perfect Game (2009)
- The Suite Life on Deck (2009)
Read more about this topic: List Of Former Child Actors From The United States