|Height||1.96 m (6 ft 5 in)|
|Weight||210 pounds (95 kg)|
|College/university team||Harvard University|
|Club||United States Rowing Training Center|
Tyler Howard Winklevoss (born August 21, 1981) is an American rower and entrepreneur. He competed in the men's pair sweep rowing event at the 2008 Beijing Olympics with his rowing partner Cameron Winklevoss, his identical twin brother. Tyler is right-handed and Cameron is left-handed.
In September 2009 Tyler and Cameron started an MBA course at the Said Business School, University of Oxford. Both brothers are members of Christ Church, one of the biggest colleges in the University. Tyler and Cameron were selected to row for the University  in the Head of The River Fours event as part of Elite Crew 1, although the event was cancelled due to bad weather. They have been be selected for the Boat Race in April.
Together with Cameron and Harvard classmate and rowing team member Divya Narendra, they own the social networking website ConnectU, known as HarvardConnection prior to September 2004. Following the name change, they sued Facebook, alleging founder Mark Zuckerberg broke an oral contract for them to build the Facebook site, copied their idea, and illegally used source code intended for the website after they asked him to do programming for them. The parties reached a confidential settlement agreement in February 2008. Cameron and Tyler are both studying for an MBA at Oxford University's Said Business School, where they expect to graduate in September 2010.