Oona Orpana (born 21 January 2001) is a Finnish professional tennis player.
On the ITF junior circuit, she had a career-high ranking of 41, achieved on 26 February 2018.
Won finnish outdoor and indoor singles championship in 2016, and outdoor again in 2019.
On 29.6.2019 she won her first doubles national title (with Venla Ahti) On national level her team is Smash-Kotka.
Previously with HVS (Helsinki).
In season 2019, she is mainly coached by Zdenek Kubik (at Prague), that is her main base for year 2019.
Ville-Petteri Ahti is her hitting partner/coach at Finland weeks.
Her playing/training/traveling budget for 2019 is over 100,000 Euro.Playing for Finland Fed Cup team, Orpana has a win-loss record of 4–3.