Ioanna "Gianna" Vlachou (born (1981-05-14)14 May 1981)[1] is a Greek volleyball player.

She was part of the Greece women's national volleyball team.

She competed with the national team at the 2004 Summer Olympics in Athens, Greece.

[3] • 1991-2002 Aias evosmou • 2002-2005 Filathlitikos Thessaloniki • 2005-2006 Apollonios Keratsiniou • 2006-2010 Olympiacos • 2010-2011 SAAK Anatolia

This biographical article relating to volleyball in Greece is a stub.