Kempster may refer to:
- Kempster, Wisconsin, United States
People with the surname
edit- Albert Kempster (1875–?), British sport shooter
- André Gilbert Kempster (1916–1943), awarded the George Cross posthumously
- Christopher Kempster (1627–1715), English stonemason
- James Kempster (1892–1975), Irish cricketer
- Ken Kempster (born 1967), Canadian musician
- Michael Kempster, British barrister and judge in Hong Kong