Heloísa Maria Buarque de Hollanda (born November 30, 1937 in Rio de Janeiro, died 27 December 2018 also in Rio de Janeiro), whose artistic name was Miúcha, was a Brazilian singer and composer. She was the daughter of historian Sérgio Buarque de Holanda and Maria Amélia Cesário Alvim, and sister of singer and composer Chico Buarque and singers Ana de Hollanda and Cristina Buarque. Her career began in 1975 with work done with her husband, João Gilberto, and Stan Getz, recorded as a participant in the album, The Best of Two Worlds.