Sincero (English: "Sincere") is the 10th studio album recorded by Puerto Rican-American performer Chayanne. It was released by Sony Discos and Columbia Records on August 26, 2003 (see 2003 in music). This album became his second number-one set on the "Billboard" Top Latin Albums and received a nomination for a Grammy Award for Best Latin Pop Album in the 46th Annual Grammy Awards on February 8, 2004, losing to "No Es lo Mismo" by Alejandro Sanz.