Özlem Özçelik-Isseven (born January 1, 1972 in Karsiyaka, Izmir) is a Turkish volleyball player.
She is 190 cm and played as middle blocker.
Özlem played 312 times for national team.
She also played for Vakifbank Günes Sigorta, Emlak Bankasi, Tuborg, Eczacibasi, Fenerbahçe Acibadem, Türk Telekom, Galatasaray Medical Park in Turkey and Dynamo Moscow in Russia.