'''Michael Tierney''' may refer to:
*Michael Tierney (bishop) (1839–1908), Roman Catholic bishop *Michael Tierney (politician) (1894–1975), Irish politician, president of University College Dublin *Michael Tierney (musician) (born 1977), member of Australian band Human Nature *Michael Tierney (Gaelic footballer) (born 1986), Gaelic football player from Laois in Ireland *Mick Pyro, Irish musician
{{hndis|Tierney, Michael}}