Arthur Papastamatis (born 12 February 1980) is an Australian professional football manager who serves as manager of Newcastle Jets.
Papas began learning his coaching skills at the age of 16 while a player and started learning full-time after retiring as a player due to six knee operations at the age of 25. Papas chose to focus his efforts on obtaining the necessary qualifications to become a professional football coach. In 2008 Papas furthered his coaching education at a KNVB-run coaching course in Canberra.
On 28 June 2021, Papas was appointed as manager of A-League team Newcastle Jets.