Brennan may refer to:
People Brennan (surname) Brennan (given name) Bishop Brennan (disambiguation)
Places Brennan, Idlib, a village located in Sinjar Nahiyah in Maarrat al-Nu'man District, Idlib, Syria Rabeeah Brennan, a village located in Sinjar Nahiyah in Maarrat al-Nu'man District, Idlib, Syria Electoral division of Brennan, an electoral division of Australia's Northern Territory
Other uses Brennan Award (disambiguation), various awards Brennan Helicopter, an experimental helicopter flown in the 1920s Brennan Motor Manufacturing Company of Syracuse, New York, a manufacturer of automobile engines from 1897 to 1972 Brennan torpedo, a torpedo patented in 1877 Brennan's, a creole restaurant in New Orleans, Louisiana Brennan Family Restaurants, a group of restaurants operated by the Brennan family of New Orleans
See also Brennen, a given name and surname Brenen, a given name and surname
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