O'Hearn
O'Hearn is an English/Irish surname. As an English surname, it can derive firstly from an early medieval nickname for someone thought to resemble the Heron bird. Notable people with the surname include:
- Ed O'Hearn, American professional football player
- George E. O'Hearn, American college football coach
- John O'Hearn, American professional football player
- Melinda O'Hearn, American actress, singer and fitness model
- Michael O'Hearn, American bodybuilder
- Patrick O'Hearn, American multi-instrumentalist musician, composer and recording artist
- Peter O'Hearn, British-Canadian computer scientist
- Taylor W. O'Hearn, American politician from Louisiana
- Walter O'Hearn, Australian politician
- Walter D. O'Hearn, prominent Canadian journalist in the mid-20th century
- Zooko Wilcox-O'Hearn, American computer hacker and cypherpunk
