Lynskey is an Irish surname. Notable people with this surname include:
- Aoife Lynskey (born 1980), Irish camogie player
- Brendan Lynskey (born 1956), Irish former athlete
- Ed Lynskey, American poet, critic, and novelist
- George Lynskey (1888 – 1957), English judge
- Jeffrey Lynskey (born 1977), Irish hurling manager
- Melanie Lynskey (born 1977), New Zealand actress
- Michael Lynskey, New Zealand academic