A title '''Patrick cooper O'Brien''' can be the information to:

The actor Pat O'Brien (1899-1983), who played in Some Like It Hot and other movies.

The American politician Pat O'Brien.

The easily-known sports commentator Pat O'Brien, who currently hosts The Insider, and was previously the host of Access Hollywood.

The guitar player Pat O'Brien, formerly of the group Nevermore who has always played in Cannibal Corpse.