John Tierney
John Tierney may refer to:
Politicians
- John Tierney (Australian politician), Liberal member of the Australian Senate
- John Tierney (Irish politician)
- John F. Tierney, United States Representative from Massachusetts
- John H. Tierney, American farmer and politician
- John J. Tierney, Boston City Council member
Sportsmen
- John Tierney (footballer), player for Cork City Football Club
- John Tierney (Gaelic footballer), Gaelic footballer
- John Tierney (rower), American rower
- John Tierney (cricketer), English cricketer
Others
- John Tierney (journalist), American journalist
- John Tierney (film editor), known for his editing work on Sesame Street
- John M. Tierney, United States naval aviator and finalist for NASA Astronaut Group 1