Petr Kotik (surname originally Kotík) (born January 27, 1942, in Prague, Czech Republic) is a composer, conductor and flutist based in New York City.
He moved to the United States in 1969 at the invitation of Lukas Foss and Lejaren Hiller to join the Center for Creative and Performing Arts at the University at Buffalo.
In 1999, after conducting Gruppen by Karlheinz Stockhausen, Kotik initiated a project of compositions for 3 orchestras and commissioned the creation of new 3-orchestra works by Alvin Lucier, Christian Wolff, Martin Smolka, Phill Niblock and Olga Neuwirth.
Kotik's most famous compositions are Music for 3 (1964) written for a piano and two strings; Spontano (1964) for a piano and an ensemble (composed for Frederic Rzewski); Kontrabandt (1967), a live electronic work commissioned by the WDR Electronic Music Studio; Many Many Women (1975–78) on a text by Gertrude Stein; and Letters to Olga (1988–91) on a text by Václav Havel.
He is married to the curator and art historian Charlotta Kotik, great-granddaughter of Tomáš Garrigue Masaryk, and has a son, Tomas (Tom), who is a New York-based sculptor.