The Great Unknown is the twelfth studio album by Filipino singer Sarah Geronimo. It was released in the Philippines on December 4, 2015, through Viva Records and debuted at number two in Philippines iTunes pop music album chart behind Adele's 25. It was made available for purchase on December 4, 2015 despite releasing new tracks from previous album, Perfectly Imperfect.

Sarah Asher Tua Geronimo is a Filipino singer and actress. Known for her musical versatility and performances, she is a recipient of numerous accolades, including a Billboard Women in Music Award, an Mnet Asian Music Award, an MTV Europe Music Award, a Classic Rock Roll of Honour Award, and a World Music Award. Tatler magazine named her one of the most influential people in Asia in 2021.