Paul Seiko Chihara (born July 9, 1938) is an American composer. Chihara was born in Seattle, Washington in 1938. A Japanese American, he spent three years of his childhood with his family in an internment camp in Minidoka, Idaho due to Executive Order 9066.

Chihara received a BA and an MA in English literature from the University of Washington and Cornell University, respectively. He received a DMA in 1965 from Cornell, studying with Robert Palmer. He also studied composition with Nadia Boulanger in Paris, Ernst Pepping in West Berlin, and Gunther Schuller in Tanglewood.