Rudolf Rojahn (b.1980) is a Boston-based composer of contemporary art music. He is the founder and artistic director of Guerilla Opera, a chamber opera company for which he has written two works; Heart of a Dog and We Are Sons. He has also been the composer-in-residence for Boston's Ludovico Ensemble since 2005, a collaboration that has resulted in several pieces including Antikythera Mechanism for bass clarinet and ensemble. He has also been commissioned and performed by the Quincy Symphony Orchestra, Juventas! New Music Ensemble, the Lorelai Ensemble, the Arbelos Trio, saxophonist Kent O'Doherty, clarinetist Rane Moore and the Western Michigan New Music Ensemble among others. From 2004-2006 he ran the Proletariat Tanning Salon, an event series pairing young composers and visual artists such as Camille Wainer and Nicole Margaretten.

Rudolf graduated from the Boston Conservatory in 2004 with a Masters Degree in Composition under the tutelage of Andy Vores. Upon graduation he was awarded the Roger Sessions Award for academic and creative excellence. He is currently a lecturer in harmony and ear training at the Boston Conservatory and the New England Conservatory's School for Continuing and Preparatory Education