Seed is used to refer to:
- The encased plant embryo is called a seed.
- In Buddism and Hinduism the term seed, or bija is used as a metaphor for the origin or cause of things.
- Pseudo-random Seed is also a term associated with cryptography and Pseudo-random number generation.
- A seed crystal is a small crystal from which a larger single crystal is to be grown.
- A Seed in Final Fantasy VIII is a mercenary working for a Garden.
- Seeding is the process used to rank competitors within a sport in a single-elimination tournament.
