Andrea McArdle is an American singer and actress best known for originating the role of Annie in the Broadway musical Annie.

Annie is a musical with music by Charles Strouse, lyrics by Martin Charnin, and a book by Thomas Meehan. It is based on the 1924 comic strip Little Orphan Annie by Harold Gray. The original Broadway production opened in 1977 and ran for nearly six years, setting a record for the Alvin Theatre. It spawned numerous productions in many countries, as well as national tours, and won seven Tony Awards, including for Best Musical. The musical's songs "Tomorrow" and "It's the Hard Knock Life" are among its most popular musical numbers.