Michael Tierney

Michael Tierney may refer to:

• Michael Tierney (politician) (1894–1975), professor of Greek, President of University College Dublin (1947–1964) and Irish politician
• Michael Tierney (film director), American film director, actor, and screenwriter
• Michael Tierney (Gaelic footballer) (born 1986), Gaelic football player from Laois in Ireland
• Michael Tierney (musician) (born 1977), member of Australian band Human Nature
• Michael Tierney (bishop) (1839–1908), Roman Catholic bishop

• Mick Pyro, Irish musician - this being his birth name