Pierre Alexandre Tremblay has received awards at the following contests:
- CBC National Radio Competition for Young Composers, Canada: 1999
- Concours international de musique électroacoustique de Bourges, Bourges (Cher, France): 2008
- Jules Léger Prize for New Chamber Music, Ottawa (Ontario, Canada): 2015
- Prix Opus, Québec: 2011, 2014
- SOCAN Foundation Awards for Young Composers, Canada: 2001