Deuteronomy is the fifth book of the Christian Old Testament and of the Jewish Torah.
Deuteronomy may also refer to:
- Dewey Duck, full name Deuteronomy Duck in Quack Pack
- Deuteronomy (band), an American psychedelic power pop band
- Old Deuteronomy, a character in T. S. Eliot's Old Possum's Book of Practical Cats