Allan Rae (born 3 July 1942 in Blairmore, Alberta) is a Canadian composer, conductor, and trumpeter based in Calgary. An associate and former board member of the Canadian Music Centre and a member of the Canadian League of Composers, he is particularly known for his works for the theatre which include several musicals and operas as well as incidental music. He has been commissioned to write music for productions mounted by the National Arts Centre, the Shaw Festival, and the Stratford Festival, as well as Theatre Passe Muraille, Vancouver Playhouse, Theatre Calgary, and the Globe Theatre, Regina. Between 1985 and 2000 he was composer-in-residence at Alberta Theatre Projects.
He has also written numerous symphonic and many chamber works, including commissions for the Calgary Philharmonic and the Calgary Youth Orchestra. His music has been performed by Carol McLaughlin, Gloria Saarinen and Cenek J. Vrba among others.
Rae studied composition and arranging at the Berklee College of Music. He later studied electronic music and composition with Samuel Dolin at The Royal Conservatory of Music from 1970-1973. He began his career as a trumpeter in the Canadian Army Band. He worked for CBC Calgary TV and radio as a composer and conductor from 1966-1970. He served briefly on the music faculty at the RCMT in 1973-1974.