Kathryn Alexander (born 1955) is a Guggenheim Award-winning American composer and a professor of composition at Yale University.
She sought guidance from Cleveland faculty Donald Erb and Eugene O'Brien, and went on to earn a DMA in composition at the Eastman School of Music, working with Samuel Adler, Barbara Kolb, Allan Schindler, and Joseph Schwantner.
She previously taught at the Oberlin Conservatory of Music, Dartmouth College, and the University of Oregon.
An influential pedagogue, she has trained prominent rising composers such as Timo Andres and Wilbert Roget, II.
She composes both acoustic and electroacoustic music, for instrumental forces ranging from chamber ensemble to solo voice and orchestra to multimedia works.