Marina Rebeka (born 10 September 1980) is a Latvian soprano, active on both opera and concert stages. Associated with Violetta in Verdi's La traviata, she performs primarily in the 19th-century Italian and French repertoire, most notably works by Gioachino Rossini, in addition to Donna Anna in Mozart's Don Giovanni, another frequent role.

Educated in Latvia and Italy, she made her professional debut in 2007. After her international breakthrough in Rossini's Moïse et Pharaon at the Salzburg Festival in 2009, she has been performing leading roles with many opera companies, such as the Vienna State Opera, Metropolitan Opera, and Latvian National Opera.

Rebeka has been recording under her own label "Prima Classic" since 2018. She had previously recorded for Warner Classics and BK-Klassik.