Kies may refer to:
- Cēsis, a town in Latvia (Polish: Kieś)
- Family name
- Johann Kies (1713 - 1781), German astronomer
- Hans Kies (de) (1910 - 1984), German sculptor and politician
- Thomas Kies (de) (born 1975), German footballer
- Christoph Kies (de) (born 1982), German dancer
- Others
- Kies, a crater on the Moon named for Johann Kies
- Samsung Kies, software