Brian Deegan (born 1974) is a motocross rider and off-road racer.
Brian Deegan may also refer to:
- Brian Deegan (lawyer) (born 1955), Australian political activist and former magistrate
- Brian Deegan, fictional character in In God's Hands (film)
Brian Deegan (born 1974) is a motocross rider and off-road racer.
Brian Deegan may also refer to: