| Teri Garr | Xochitl Gomez | Beverly Aadland | Mariann Aalda |
| Caroline Aaron | Diahnne Abbott | Rose Abdoo | Paula Abdul |
| Donzaleigh Abernathy | Rose Abdoo |
- Whitney Able born June 2, 1982 (age 42)
- Candice Accola born May 13, 1987 (age 37)
- Amy Acker born December 5, 1976 (age 47)
- Jean Acker 1893–1978
- Bettye Ackerman 1924–2006
- Amy Adams born August 20, 1974 (age 50) (born in Italy)
- Brooke Adams born February 8, 1949 (age 75)
- Edie Adams 1927–2008
- Jane Adams born April 1, 1965 (age 59)
- Joey Lauren Adams born January 9, 1968 (age 56)
- Julie Adams 1926–2019
- Lillian Adams 1922–2011
- Mary Kay Adams born September 12, 1962 (age 62)
- Nancy Addison 1946–2002
- Shohreh Aghdashloo born May 11, 1952 (age 72) (Iranian-born)
- Dianna Agron born April 30, 1986 (age 38)
- Christina Aguilera born December 18, 1980 (age 43)
- Lexi Ainsworth born October 28, 1992 (age 32)
- Malin Åkerman born May 12, 1978 (age 46) (Swedish-born)
- Jessica Alba born April 28, 1981 (age 43)
- Lola Albright 1924–2017
- Denise Alexander born November 11, 1939 (age 84)
- Erika Alexander born November 19, 1969 (age 54)
- Jaimie Alexander born March 12, 1984 (age 40)
- Jane Alexander born October 28, 1939 (age 85)
- Khandi Alexander born September 4, 1957 (age 67)
- Sasha Alexander born May 17, 1973 (age 51)
- Kristian Alfonso born September 5, 1963 (age 61)
- Tatyana Ali born January 24, 1979 (age 45)
- Mary Alice 1936–2022
- Ana Alicia born December 12, 1956 (age 67) (born in Mexico)
- Christa B. Allen born November 11, 1991 (age 32)
- Debbie Allen born January 16, 1950 (age 74)
- Elizabeth Allen 1929–2006
- Joan Allen born August 20, 1956 (age 68)
- Jonelle Allen born July 18, 1944 (age 80)
- Karen Allen born October 5, 1951 (age 73)
- Krista Allen born April 5, 1971 (age 53)
- Laura Allen born March 21, 1974 (age 50)
- Nancy Allen born June 24, 1950 (age 74)
- Rosalind Allen born September 23, 1957 (age 67) (born in New Zealand)
- Kirstie Alley 1951—2022
- Jamie Anne Allman born April 6, 1977 (age 47)
- June Allyson 1917–2006
- Daniella Alonso born September 22, 1978 (age 46)
- María Conchita Alonso born June 29, 1957 (age 67)
- Trini Alvarado born January 10, 1967 (age 57)
- Lauren Ambrose born February 20, 1978 (age 46)
- Mädchen Amick born December 12, 1970 (age 53)
- Suzy Amis born January 5, 1962 (age 62)
- Eva Amurri born March 15, 1985 (age 39)
- Kristina Anapau born October 30, 1979 (age 45)
- Andrea Anders born May 10, 1975 (age 49)
- Gillian Anderson born August 9, 1968 (age 56)
- Loni Anderson born August 5, 1945 (age 79)
- Mary Anderson 1918–2014
- Melissa Sue Anderson born September 26, 1962 (age 62) (American-Canadian)
- Melody Anderson born December 3, 1955 (age 68)
- Nicole Gale Anderson born August 29, 1990 (age 34)
- Jennifer Aniston born February 11, 1969 (age 55)
- Odette Annable born May 10, 1985 (age 39)
- Susan Anton born October 12, 1950 (age 74)
- Shiri Appleby born December 7, 1978 (age 45)
- Christina Applegate born November 25, 1971 (age 52)
- Anne Archer born August 24, 1947 (age 77)
- Beverly Archer born July 19, 1948 (age 76)
- Leila Arcieri born December 18, 1973 (age 50)
- Eve Arden 1908–1990
- Ashley Argota born January 9, 1993 (age 31)
- Jillian Armenante born July 5, 1968 (age 56)
- Bess Armstrong born December 11, 1953 (age 70)
- Samaire Armstrong born October 31, 1980 (age 44) (born in Japan)
- Alexis Arquette 1969–2016
- Patricia Arquette born April 8, 1968 (age 56)
- Rosanna Arquette born August 10, 1959 (age 65)
- Bea Arthur 1922–2009
- Jean Arthur 1900–1991
- Katie Aselton born October 1, 1978 (age 46)
- Ashanti October 13, 1980 (age 44)
- Elizabeth Ashley born August 30, 1939 (age 85)
- Mary Astor 1906–1987
- Hayley Atwell born April 5, 1982 (age 42) (British-American)
- Margaret Avery born January 20, 1944 (age 80)
- Awkwafina born June 2, 1988 (age 36)
- Nicki Aycox 1975–2022
- Rochelle Aytes born May 17, 1976 (age 48)
- Candice Azzara born May 18, 1945 (age 79)