Donald Nally (born December 27, 1960) is an American conductor, chorus master, and professor of conducting, specializing in chamber choirs, opera, and new music.

Nally’s first professional chamber choir was The Bridge Ensemble which sang concerts 1996-1997; though it failed financially, it established a significant presence in Philadelphia, receiving a great amount of critical attention and laying the groundwork for the success of The Crossing.

Nally collaborates often on living-art installations with the artists Allora & Calzadilla, with scores by David Lang, which have been staged in Frankfurt, Osaka, Edmonton, Cleveland, Córdoba, London, Philadelphia, and Houston.

In September 2012, Nally joined the faculty of the Bienen School of Music at Northwestern University in Evanston, Illinois as a tenured professor and director of choral organizations.

[21] In 2013, Nally rehearsed Howard Hanson's Song of Democracy, which sets texts from various poems of Walt Whitman.

[24] In 2022, Nally became an artist in residence at Westminster Choir College, the school of music of Rider University, in Lawrenceville, NJ.