Sandy Duncan (born February 20, 1946 in Henderson, Texas) is an American singer and actress of stage and television. Her most notable trademarks were her pixie blonde hairdo and her perky demeanor.

She is most famous for the title role she played in the 1979 Broadway adaptation of Peter Pan. Other credits include My One and Only and Chicago.

In 1970, she was named one of the most promising faces of tomorrow by TIME magazine. In 1971, she starred in the television series Funny Face (later renamed The Sandy Duncan Show). Her performance as Missy Anne Reynolds in the miniseries Roots earned her an Emmy Award. It was then that she went back to Broadway for many years.

In the 1970s, she was treated for a tumor behind her left eye. Eventually, the eye had to be removed and was replaced with a glass eye . Her prosthetic was parodied by a punk rock group, who called themselves Sandy Duncan's Eye .

In 1987, she joined the cast of The Hogan Family after Valerie Harper left the show abruptly. She filled the role of mother as Sandy Hogan, the patriarch's sister.

Today, she has been in many traveling stage productions, including The King and I.