Patrick Brennan
Patrick Brennan may refer to:
- P. J. Brennan, American actor
- Pádraig Brennan, Irish Gaelic football player
- Patrick Brennan (police officer), Irish politician, TD 1921–1923, Assistant Commissioner of the Garda Síochána
- Paudge Brennan, Irish Fianna Fáil TD and Senator
- Patrick Brennan (lacrosse), who represented Canada at the 1908 Summer Olympics
- Paddy Brennan, Irish comics artist
- Paddy Brennan (jockey), Irish jockey
- Patrick Brennan (politician), Republican politician in the Vermont House of Representatives
- Patrick Brennan (actor), American actor
- Patrick Thomas Brennan, American Catholic missionary priest