Debralee Scott (April 2, 1953 – April 5, 2005) was an American actress best known for her role on the sitcom Welcome Back, Kotter as the sweathog Rosalie "Hotsy" Totsy. Scott was born and raised in Elizabeth, New Jersey, and later lived in Stroudsburg, Pennsylvania, where she was a cheerleader.

Scott's first role was filmed shortly after her 18th birthday; she portrayed a corpse in 1971's Dirty Harry. At age 22, she found fame on Mary Hartman, Mary Hartman, playing Mary's sister, Cathy Shumway. She appeared on the first season of the sitcom Welcome Back, Kotter as Rosalie "Hotsie" Totsie, and in the Donna Pescow sitcom Angie, playing Angie's younger sister, Marie Falco.

Among her other credits were the 1973 feature film American Graffiti and the 1974 film Earthquake (her scenes, which were set on an airplane, were filmed specifically for an extended-length network TV premiere showing in 1976).