Nilay Karaağaç (born 24 October 1985 in Salihli, Manisa Province, Turkey, is a Turkish volleyball player.
She plays for Galatasaray and wears jersey number 11.
She played 124 times for the Turkey women's national volleyball team.
Özdemir played with Fenerbahçe in the 2012 FIVB Club World Championship held in Doha, Qatar and helped her team to win the bronze medal after defeating Puerto Rico's Lancheras de Cataño 3-0.
This biographical article relating to volleyball in Turkey is a stub.