Vladimir Robertovich Miller (Russian: Влади́мир Робертович Ми́ллер; born February 3, 1964) is a Russian opera, folk and choir singer possessing a low-ranging basso profondo (oktavist) voice, one of the lowest voices in the world.
Miller has performed in concerts in Great Britain, Germany, the Vatican, the Netherlands, Italy, and the United States.
Miller has learned and performed an extensive repertoire, singing leading parts in operas by Mozart and Claudio Monteverdi.
He sang parts in cantatas and oratorios by Heinrich Schütz, Johann Sebastian Bach, Anton Bruckner, Alexander Gretchaninov, John Tavener, and others.
He is also performing with the Optina Pustyn Male Choir St. Petersburg, which was founded by Alexander Semyonov in 1996.