Date of Birth: 
About Ioanna Vlachou
- Ioanna "Gianna" Vlachou (born (1981-05-14)14 May 1981) 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.
- She played most notably for Olympiacos and Filathlitikos.
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