Tobias Picker (born July 18, 1954) is an American composer.

Picker was born in New York City. He began composing at the age of eight and studied at the Manhattan School of Music, The Juilliard School and Princeton University, where his principal teachers were Charles Wuorinen, Elliott Carter and Milton Babbitt. He received his first commissions while still in his late teens and quickly became established as one of America's most sought-after young composers.