Heloísa Maria Buarque de Hollanda (born November 30, 1937 in São Paulo), whose artistic name is Miúcha, is a Brazilian singer and composer. She is 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. This was followed by forays into jazz with Antônio Carlos Jobim, Vinícius de Moraes, João Donato, and her daughter Bebel Gilberto.

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