Jan-Ove Waldner, Swedish table tennis player

Jan-Ove Waldner (Swedish: [ˈjɑːn uːvɛ ˈvǎldnɛr]; born 3 October 1965), in Sweden commonly J-O Waldner (Swedish: [ˈjiː uː], is a Swedish former table tennis player. He is often referred to as "the Mozart of table tennis." A sporting legend in his native Sweden as well as in China, he is known in China as 老瓦 Lǎo Wǎ ("Elder Waldner") or 常青树 Cháng Qīng Shù ("Evergreen Tree"), because of his extraordinary longevity and competitiveness. As of July 2021, he is the only person to win an Olympic table tennis gold medal representing a non-Asian country.