McKernan (surname)
McKernan is an Irish surname originating in Cavan. Notable people with the surname include:
- Corey McKernan, Australian rules footballer
- Hugh McKernan, Australian politician
- Jackie McKernan, British athlete from Northern Ireland
- James McKernan, British mathematician
- John R. McKernan Jr., American politician, Governor of Maine
- Ken McKernan, Australian rules footballer
- Kevin McKernan, Irish Gaelic footballer
- Noel McKernan, Australian rules footballer
- P. Patrick McKernan, American baseball administrator
- Ron "Pigpen" McKernan, American musician
- Shaun McKernan, Australian rules footballer
- Timothy McKernan, American ice dancer