Thomas Hampson (born June 28, 1955) is an American lyric baritone – a pre-eminent classical singer who has appeared world-wide in major opera houses and concert halls and made over 170 musical recordings.

Hampson's operatic repertoire spans a range of more than 80 roles, including the title roles in Mozart's Don Giovanni, Rossini's Guillaume Tell, Ambroise Thomas' Hamlet, and Tchaikovsky's Eugene Onegin; Figaro in Rossini's Barber of Seville. The center of his Verdi repertoire remains Posa in Don Carlo, Germont in La Traviata, the title roles in Macbeth and Simon Boccanegra, and more recently also Amfortas in Wagner's Parsifal and Scarpia in Puccini's Tosca.