Gréta Arn, Hungarian tennis player
Gréta Arn (born 13 April 1979) is a Hungarian retired tennis player of Danube Swabian German descent.
She has won two titles on the WTA Tour, the 2007 Estoril Open in Portugal, and the 2011 ASB Classic in Auckland, New Zealand, as well as four ITF titles in singles. She reached her career-high singles ranking of world No. 40 on 16 May 2011. She has picked up wins against Mary Pierce at the 2002 Acura Classic and Maria Sharapova at the 2011 ASB Classic.