Atkin is a surname, and may refer to:
- Sieve of Atkin, a mathematical algorithm
People:
- A. O. L. Atkin, British-American computational number theorist
- Barbara Atkin, fashion expert
- Harvey Atkin, Canadian actor
- James Atkin, Baron Atkin, British judge
- Jerry Atkin, CEO of Skywest
- Pete Atkin, British singer-songwriter
- Ralph Atkin, SkyWest founder
- Tim Atkin, British wine writer