Murry Sidlin (Baltimore, United States, 1940), is an American conductor and professor.
Born in Baltimore, Maryland, in 1940, Sidlin studied at the Peabody Institute, graduating in 1968 with a Master's degree. Sidlin's first appointment after graduating was as Assistant Conductor at the Baltimore Symphony Orchestra under Sergiu Comissiona. He was later appointed Resident conductor at the National Symphony Orchestra under Antal Doráti, and with Oregon Symphony Orchestra. He was also the Music Director of the New Haven Symphony Orchestra, the Long Beach Symphony Orchestra, and the Tulsa Philharmonic.
For 32 years he was co-director (together with David Zinman) of the American Academy of Conducting at Aspen Festival. Alumni of the program during his tenure include Peter Oundjian, Cristian Macelaru, Tomas Netopil, Tito Muñoz, Philippe Bach, José De Eusebio, Hugh Wolff, James Gaffigan, Apo Hsu, Lawrence Golan, Kenneth Woods, Sasha Mäkilä, Kenneth Kiesler, Josep Caballé Domenech, and David Hayes.