Sydney Margaret Penny (born August 7, 1971) is an American actress. She is known for playing the roles of Julia Santos Keefer on the soap opera All My Children, and Samantha "Sam" Kelly on the CBS soap opera The Bold and the Beautiful. She also starred in the 1998 WB television drama series Hyperion Bay, and as a teenager appeared in the 1985 Clint Eastwood film Pale Rider.
She was born in Nashville, Tennessee, and raised in Chatsworth, California, the daughter of former Western Swing bandleader and comedian Hank Penny and his wife, Shari. An early acting appearance was on the miniseries The Thorn Birds when she was only 12 years old as young Meggie. She also appeared as Dani in The New Gidget and as a pigeon-obsessed youngster in an episode of the police series TJ Hooker. At the age of 13, Penny played Megan Wheeler in the Clint Eastwood western Pale Rider, released on June 26, 1985. For this performance she was awarded a Young Artist Award at the 7th Youth in Film Awards in December 1985.