The acronym CPDL may refer to:
- Canadian Patents and Development Limited, a Canadian agency from 1947 to 1993
- Choral Public Domain Library, a sheet music semi-commercial archive which focuses on choral and vocal music
- Controller Pilot Data Link (also known as Controller Pilot Data Link Communications), a method of communication between an aircraft pilot and Air Traffic Control
This disambiguation page lists articles associated with the title CPDL.
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