Gillick may refer to:
- Victoria Gillick a Catholic family campaigner
- Gillick competence, a term in medical law
- David Gillick, Irish track and field athlete
- Ernest Gillick, British sculptor
- James Gillick, British artist
- Liam Gillick, British artist
- Mary Gillick, British sculptor
- Pat Gillick, American baseball executive
- Torrance Gillick, Scottish footballer