Ladislav Mráz (25 September 1923 – 7 May 1962) was a Czech operatic bass-baritone who had an active career in Czechoslovakia from 1943 through 1962.
Among the roles he created on stage were Count Vilém of Harasov in The Jacobin, Creon in Oedipus rex, Hans Sachs in Die Meistersinger von Nürnberg, Herrmann in Tannhäuser, Kecal in The Bartered Bride, Leporello in Don Giovanni, Rarach in The Devil's Wall, Vodník in Rusalka, and the title roles in The Flying Dutchman, and Svätopluk.
He also made a number of appearances on Dutch radio and television, notably recording the main protagonist in Giuseppe Verdi's Falstaff.
Mráz also performed frequently with the Czech Philharmonic Orchestra as a soloist in oratorios, song cycles, and works of contemporary music.
He sang Hans Sachs at the opening of the new opera house in Leipzig in 1960 where he was a guest artist for many years.