Michael Brennan
Michael, Mike or Mick Brennan may refer to:
- Michael Brennan (actor), English film and television actor
- Michael Brennan (footballer), former Australian rules footballer
- Michael Brennan (field hockey), Australian field hockey player
- Michael Brennan (finance), American finance professor
- Michael Brennan (Fine Gael politician), Irish Cumann na nGaedhael and Fine Gael TD
- Michael Brennan (golfer), American professional golfer
- Michael Brennan (ice hockey), American professional ice hockey player
- Michael Brennan (Lieutenant-General), Irish Defence Forces Chief of Staff 1931–1940
- Michael Brennan (photographer), British photographer
- Michael Brennan (Progressive Democrats politician), Irish Progressive Democrat Senator
- Michael Brennan (poet), Australian poet
- Michael B. Brennan, American lawyer and United States federal judge
- Michael F. Brennan, mayor of Portland and Maine state senator
- Mike Brennan (basketball), American college basketball head coach
- Mike Brennan (American football), American football tackle
- Mick Brennan (hurler), Irish hurler
- Mick Brennan (alpine skier), English skier
- Micka Brennan, Irish hurler
- Micky Brennan, English footballer