Renée Fleming (born February 14, 1959) is an American opera singer and soprano whose repertoire encompasses Richard Strauss, Mozart, Handel, bel canto, lieder, French opera and chansons, jazz and indie rock. Fleming has a full lyric soprano voice. She has performed coloratura, lyric, and lighter spinto soprano operatic roles in Italian, German, French, Czech, and Russian, aside from her native English. She also speaks fluent German and French, along with limited Italian. Her signature roles include Countess Almaviva in Mozart's Le nozze di Figaro, Desdemona in Verdi's Otello, Violetta in Verdi's La traviata, the title role in Dvořák's Rusalka, the title role in Massenet's Manon, the title role in Massenet's Thaïs, the title role in Richard Strauss's Arabella, the Marschallin in Der Rosenkavalier, and the Countess in Capriccio.

A National Medal of Arts and Richard Tucker Award winner, she regularly performs in opera houses and concert halls worldwide. In 2008 she was awarded the Swedish Polar Music Prize for her services in music. She serves as Creative Consultant for the Lyric Opera of Chicago.