Jamie-Lynn Sigler (born May 15, 1981 in Jericho, New York) is an American actress. She is most famous for her role on the acclaimed HBO television series The Sopranos.

Born to a Jewish father (whose parents were from Romania and Greece, respectively) and a Cuban mother, DiScala began acting and singing at the age of seven. In 1999, billed as Jamie-Lynn Sigler, she was cast as the smart but troubled Meadow Soprano, daughter of New Jersey mob boss Tony Soprano. The show became a success and Sigler rose to some fame as a TV actress.

In 2001, she released an album of her singing, Here to Heaven. In 2002, she co-authored an autobiography, Wise Girl: What I've Learned About Life, Love, and Loss. She also appeared in Mariah Carey's "Through the Rain" music video.

Sigler then spent five months on Broadway in 2002-2003 playing Belle in the production Beauty and the Beast. She has continued to appear in theatrical roles, such as Rogers and Hammerstein's Cinderella.

In July 2003 she married her agent A.J. DiScala, and took the name Jamie-Lynn DiScala. She has stated that she is a very traditional girl, and never had any doubt that she would take her husband's name after marrying, even professionally. However, in September 2005, Sigler and DiScala announced that they are separating after only two years of marriage, and she subsuquently changed her name back.

In 2004 she starred as "Hollywood Madam" Heidi Fleiss in the USA television movie Call Me: The Rise and Fall of Heidi Fleiss. In that same year, she had her first starring feature film role, Extreme Dating, an independent film which has yet to be released.

During the early production of The Sopranos, DiScala struggled with an eating disorder and is now a spokesperson for the National Eating Disorders Association.

DiScala speaks fluent Spanish, having learned it from her maternal grandmother, who did not speak English.