Conrad Coleby (born 20 September 1979) is an Australian actor and photographer. He is is most known for his work as Scott Zinenko on Australian award-winning medical drama, All Saints (1998).

Coleby attended the Mona Vale Film and Television school at the age of six where his passion for screen acting began. He is the son of British actor Robert Coleby and brother of model, television actress, reporter and producer Anja Coleby.