Gretchen Parlato (born February 11, 1976) is an American jazz singer. She has performed and recorded with musicians such as Wayne Shorter, Herbie Hancock, Kenny Barron, Esperanza Spalding, Terence Blanchard, Marcus Miller and Lionel Loueke.

Parlato's Lean In (2021), a duo album with guitarist Lionel Loueke, received a Grammy Award Nomination for Best Jazz Vocal Album, hitting No. 1 upon release in iTunes Jazz and Best of 2023 in Jazz News Paris, JazzFM and The Boston Globe. Her album Flor (2021) received a Grammy Award Nomination for Best Jazz Vocal Album, hitting No. 1 upon release in iTunes Jazz and #3 Best of the Year Albums in Jazzwise Critics Poll '21. Live in NYC (2013) received a Grammy Award Nomination for Best Jazz Vocal Album, also receiving 4.5 stars in Downbeat Magazine, with the DVD hitting No. 1 on the iTunes best music video list. The Lost and Found (2011) received over 30 national and international awards, including Jazztimes Expanded Critics Poll No. 1 Vocal Album of 2011 and iTunes Vocal Jazz Album of the Year. Her 2009 sophomore release, In a Dream, was Jazz Critics Poll No. 1 Vocal Album of 2009 and hailed by Billboard as "the most alluring jazz vocal album of 2009."