James Ledger (born 1966) is an Australian composer of contemporary classical music.
Ledger first rose to prominence with his first orchestral composition Indian Pacific in 1996, which is still regularly performed in Australia. Ledger is also known for his compositions Devils in the Underground for solo trumpet, the violin concerto Golden Years, Chronicles for orchestra, War Music for choir & orchestra, and the song cycle Conversations with Ghosts in collaboration with the musician Paul Kelly.
From 2007 to 2009 he was the composer-in-residence for the West Australian Symphony Orchestra. In 2011 he was named composer-in-residence for the Australian National Academy of Music.