Martina Eileen Hernandez delas Alas-Sibayan (born 11 November 1964) is a Filipino actress. She is best known for her roles in the films Ang Tanging Ina (2003) and its sequels, Ang Tanging Ina N'yong Lahat (2008) and Ang Tanging Ina Mo (Last na 'To!) (2010), Volta (2004), and Sisterakas (2012).