Evripides Demosthenous (Greek: Ευριπίδης Δημοσθένους; born 14 October 1972) is a retired Cypriot sprinter who specialised in the 400 metres. He represented his country at two Summer Olympics, in 1996 and 2000, as well as three consecutive World Championships, starting in 1995. He has personal bests of 46.16 seconds outdoors (Palma de Mallorca 1999) and 47.39 seconds indoors (Piraeus 1998). Both are standing national records.