Deen can have several meanings:-
- Dīn (also Deen), an Arabic term (دين) meaning "way of life" or "code of life".
- Deen-e-Illahi, an internationally recognized book of Riaz Ahmed Gohar Shahi, founder of International Spiritual Movement Anjuman Serfaroshan-e-Islam.
- Deen (Pakistan), a newspaper in Pakistan
- Deen (singer), singer from Bosnia and Herzegovina
- Deen (band), a Japanese band
- Paula Deen, cook and TV personality.
- Studio Deen, a Japanese animation studio