Robert Köstenberger (born 15 January 1957) is an Austrian judoka.
He competed at the 1980 Summer Olympics and the 1984 Summer Olympics.
[3] Between 1986 and 1988 Köstinger fought in the Staatsliga A for ASKÖ Reichraming.
[4] After that he went back to JC Manner.
This biographical article related to Austrian judo is a stub.