Silvija Erdelji (Serbian Cyrillic: Силвија Ердељи, Hungarian: Erdélyi Szilvia; May 28, 1979 in Senta) is a Serbian table tennis player. She won 2 bronze medals, in singles and doubles, at the 2003 European Table Tennis Championship. Erdelji competed at the 2004 Summer Olympics in Athens, Greece. In 2005, she became Mediterranean doubles champion. She was named as Serbia and Montenegro Sportswoman of The Year 2003. Erdelji is of Hungarian ethnicity.