Katariina Tuohimaa (born 28 April 1988) is a Finnish former tennis player.

In her career, Tuohimaa won five doubles titles on the ITF Women's Circuit. On 13 August 2007, she peaked at No. 481 in the doubles rankings.

Tuohimaa played six rubbers for Finland in the 2006 Fed Cup.

Outcome	Date	Tournament	Surface	Opponent	Score
Loss	25 February 2006	Ramat HaSharon, Israel	Hard	Iveta Gerlová	6–7(7–9), 2–6

Result	No.	Date	Tournament	Surface	Partner	Opponents	Score
Win	1.	1 October 2005	Volos, Greece	Carpet	Nicole Clerico	Katalin Marosi Marina Tavares	6–4, 6–2
Win	2.	19 August 2006	Savitaipale, Finland	Clay	Piia Suomalainen	Davinia Lobbinger Alise Vaidere	7–5, 6–3
Loss	1.	4 November 2006	Stockholm, Sweden	Hard (i)	Piia Suomalainen	Diana Eriksson Hanne Skak Jensen	w/o
Win	3.	18 November 2006	Sunderland, United Kingdom	Hard (i)	Piia Suomalainen	Laura Haberkorn Martina Pavelec	6–3, 6–4
Loss	2.	14 July 2007	Prokuplje, Serbia	Clay	Klaudia Boczová	Neda Kozić Nataša Zorić	4–6, 5–7
Win	4.	20 July 2007	Garching, Germany	Clay	Oksana Kalashnikova	Franziska Klotz Evelyn Mayr	7–5, 6–3
Win	5.	3 August 2007	Tampere, Finland	Clay	Piia Suomalainen	Hanne Skak Jensen Marcella Koek	6–2, 6–4
Loss	3.	7 August 2010	Savitaipale, Finland	Clay	Nina Munch-Søgaard	Alexandra Artamonova Diāna Marcinkēviča	2–6, 3–6

Edition	Round	Date	Location	Against	Surface	Opponent	W/L	Score
2006 Fed Cup	E/A Zone Group I	17 April 2006	Plovdiv, Bulgaria	Netherlands	Clay	Elise Tamaëla	L	4–6, 3–6
		18 April 2006		Luxembourg		Claudine Schaul	L	2–6, 4–6
		19 April 2006		Slovakia		Dominika Cibulková	L	2–6, 1–6

Edition	Round	Date	Location	Against	Surface	Partner	Opponents	W/L	Score
2006 Fed Cup	E/A Zone Group I	17 April 2006	Plovdiv, Bulgaria	Netherlands	Clay	Piia Suomalainen	Marrit Boonstra Brenda Schultz-McCarthy	L	1–6, 1–6
		18 April 2006		Luxembourg		Piia Suomalainen	Mandy Minella Claudine Schaul	L	6–4, 2–6, 2–6
		19 April 2006		Slovakia		Piia Suomalainen	Dominika Cibulková Magdaléna Rybáriková	L	3–6, 2–6

• Katariina Tuohimaa at the Women's Tennis Association
• Katariina Tuohimaa at the International Tennis Federation
• Katariina Tuohimaa at the Billie Jean King Cup (archived)