- This article is about the Irish journalist. For articles about other people with the same name, see Brendan O'Brien (disambiguation).
Brendan O'Brien is a senior Irish journalist on RTÉ One's Prime Time current affairs programme.
In 1983, O'Brien won a Jacob's Award for his reporting on the RTÉ current affairs programme, Today Tonight.
In 2008, O'Brien won the Irish Children's Book of the Year Award for The Story of Ireland. He has also written about the history of the IRA.