Irja Ester Helena "Leena" Pietilä,[1] married surname: Vainio (born 29 March 1925 – 20 May 2014)[2] was a Finnish figure skater.
[3] On 29 March 1925, Pietilä was born in Rauma, Finland.
[4] Pietilä was a figure skater for Helsingfors Skridskoklubb in Helsinki.
In February 1952, Pietilä represented Finland at the 1952 Winter Olympics in Oslo, Norway, and finished 20th.
[4] After retiring from competition, Pietilä became an international figure skating judge and coach.