Lillie Claus-Dostal (1905 – 2000) was an Austrian lyric coloratura opera and operetta singer.
She received a musical education in her youth (vocals, piano, dance school).
While there, she heard the composer Nico Dostal was in search a leading singer for his operetta "Clivia".
On 30 November 1934, she sang the 'Lied der Lulu' (part of the five-movement concert suite version of Alban Berg's opera Lulu) at the Berlin Staatsoper Unter den Linden under Erich Kleiber.
Their son Roman Dostal, who later became a conductor, was born in 1943, when the family lived in Salzburg.