尼古莱·弗拉基米罗维奇·达维登科（俄语：Никола́й Влади́мирович Давыде́нко，英语：Nikolay Vladimirovich Davydenko，1981年6月2日－），生于苏联时期北顿涅茨克，昵称“劳模”，已退役的俄罗斯男子网球运动员，网球史上最佳俄罗斯球手之一，单打最高排名世界第3，2009年世界男子网球年终总决赛冠军。

而且他也是全世界唯一一位与纳达尔交手10场以上里仍占优者（达维登科 vs. 纳达尔 = 6:5）。

Nikolay Vladimirovich Davydenko (Russian:Никола́й Влади́мирович Давыде́нко, [nʲɪkɐˈlaj vlɐˈdʲimʲɪrəvʲɪtɕ dəvɨˈdʲɛnkə]) is a Russian former professional tennis player. He achieved a career-high singles ranking of World No. 3 in November 2006. Davydenko's best result in a Grand Slam tournament was reaching the semi-finals, which he accomplished on four occasions: twice each at the French Open and the U.S. Open, losing to Roger Federer in all but one of them. His biggest achievement was winning the 2009 ATP World Tour Finals, and he also won three ATP Masters Series. In mid-October 2014 Davydenko retired from competitions.