Rachel Melvin (born February 9, 1985) is an American actress. She is best known for her roles as Chelsea Brady on Days of Our Lives and as Penny in Dumb and Dumber To.

Melvin landed her first acting job in the 2005 independent film Boo. She later won the role of Georgia LaMarque, a French girl whom Bo and Billie had been falsely led to believe was their daughter on the NBC soap opera Days of our Lives, but only appeared in five episodes. Months later, she took over the role of Chelsea Brady (originally portrayed by Mandy Musgrave). She and her dog were seen on The Tonight Show with Jay Leno, when she was randomly interviewed at a gas station for a segment. Melvin has also guest-starred on Summerland, Jack & Bobby and 8 Simple Rules. With her family, she has also appeared on Family Feud.