Nastic movements occur in plants.
Nastic may also refer to:
- Nàstic, Spanish sports club
- Nastić, the surname of:
- Bojan Nastić (born 1994), Bosnian footballer
- Nenad Nastić (born 1981), Serbian footballer
- Radovan Nastić (born 1975), American multimedia sub cultural artist
- Stefan Nastić (born 1992), Serbian professional basketball player
- Varnava Nastić (1914–1964), Serbian–American bishop
- Żaklin Nastić (born 1980), German politician (The Left)