Thailand
Meet The World’s Tallest Volleyball Player - Men
Credit: Ace@volleywood.net - Oct 14, 2011 4:32 pm
Wuttichai Suksara aka Golf
"Golf" stands at 2.22m or 7 ft 3.5 inches with a shoe size of 56 (Europe) or 22 (USA).
http://goo.gl/TAMGy9

Russia
World’s Tallest Female Volleyball Player -  Women
Credit: Ace@volleywood.net - Apr 29, 2014 9:09 am
Nelly Alisheva: 2.10 m / 6 ft 11 in.
http://goo.gl/RHexe3