Patrik Niklas-Salminen (born 5 March 1997) is a Finnish professional tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 95 achieved on 17 April 2023 and a singles ranking of No. 418 achieved on 3 March 2020. Niklas-Salminen has won five doubles ATP Challenger Tour titles.
On the junior tour, Niklas-Salminen had a career high ITF junior ranking of No. 20 achieved in September 2015. Niklas-Salminen reached the semifinals of the 2015 Wimbledon boys' singles event, losing to Mikael Ymer in the semifinal.
Niklas-Salminen has represented Finland in Davis Cup, where he has a winâÂÂloss record of 2âÂÂ3.