Tuula Tenkanen (born 11 August 1990 in Espoo) is a Finnish sailor, who specialized in one-person dinghy (Laser Radial) class.

[3] She trained at Espoo Sailing Club (Finnish: Esbo Segelförening) throughout most of her sporting career under her longtime coach and mentor Minna Aalto.

[5][6] Tenkanen qualified for the Finnish squad in the newly introduced Laser Radial class at the 2008 Summer Olympics in Beijing by placing twelfth and receiving a berth from the ISAF World Championships in Auckland, New Zealand.

[7][8] She posted a net score of 128 points to achieve a creditable twenty-second position in a fleet of twenty-eight sailors, edging out Belarus' Tatiana Drozdovskaya by a mere, thirteen-point gap on the tenth leg.

[9][10] Tenkanen sought to compete for the 2012 Summer Olympics in London, but lost the slot to her sailing rival Sari Multala, who later finished seventh in the same class.