Ralph Wilcox (born January 30, 1950) is an American actor and director who has appeared in many movies and guest roles on television series during his career in Hollywood, dating to the early 1970s. Some of his most memorable roles include "Jammin' Jim" Jenkins on the Emerald Cove segments of The Mickey Mouse Club, Mason Freeman in seaQuest 2032, and Mugambi in Tarzan: The Epic Adventures. He played the role of Uncle Henry in the original Broadway production of The Wiz.

He wrote, directed, and produced The Lena Baker Story (2008), which chronicled the life of Lena Baker, a 43-year-old African-American mother of three who was convicted of capital murder and executed in 1945 by the electric chair in Georgia. She received a full pardon in 2005.