Katarína Studeníková (born 2 September 1972) is a former professional Slovak tennis player.

Her highest singles ranking by the Women's Tennis Association (WTA) is 31st, which she reached on 23 December 1996. Her career-high in doubles was at 62, set on 13 November 1995. Studeníková defeated Monica Seles in Wimbledon in the year 1996.

Outcome	No.	Date	Tournament	Surface	Opponent	Score
Winner	1.	25 March 1991	ITF Putignano, Italy	Hard	Cecilia Bargagni	7–5, 6–2
Winner	2.	25 May 1992	ITF Ashkelon, Israel	Hard	Aurora Gima	6–4, 6–4
Winner	3.	23 November 1992	ITF Ramat HaSharon, Israel	Hard	Carole Lucarelli	6–4, 6–2
Winner	4.	29 March 1993	ITF Moulins, France	Hard	Rita Grande	6–2, 6–2
Runner-up	5.	8 August 1993	ITF Sopot, Poland	Clay	Petra Begerow	3–6, 6–4, 5–7
Winner	6.	21 August 1995	ITF Sopot, Poland	Clay	Janette Husárová	4–6, 6–3, 6–3
Runner-up	7.	16 October 1995	ITF Flensburg, Germany	Carpet (i)	Anne-Gaëlle Sidot	6–4, 4–6, 1–2 ret.
Winner	8.	17 December 1995	ITF Ostrava, Czech Republic	Hard (i)	Jana Pospíšilová	6–4, 6–3
Winner	9.	14 December 1997	ITF Ostrava, Czech Republic	Carpet (i)	Michaela Paštiková	6–3, 6–3

Outcome	No.	Date	Tournament	Surface	Partner	Opponents	Score
Runner-up	1.	17 September 1990	ITF Rabac, Yugoslavia	Clay	Gabriela Veselá	Ruxandra Dragomir Irina Spîrlea	6–1, 3–6, 4–6
Winner	2.	25 March 1991	ITF Putignano, Italy	Hard	Pavlína Rajzlová	Giovanna Carotenuto Marja-Liisa Kuurne	6–4, 6–2
Runner-up	3.	29 May 1991	ITF Brindisi, Italy	Clay	Irina Spîrlea	Patricia Miller Inés Gorrochategui	1–6, 6–7
Runner-up	4.	24 June 1991	ITF Dubrovnik, Yugoslavia	Clay	Karin Lušnic	Dominika Gorecká Kateřina Sisková	4–6, 4–6
Winner	5.	22 July 1991	ITF Schwarzach, Austria	Clay	Karina Habšudová	Agnese Gustmane Heidi Sprung	6–3, 6–1
Runner-up	6.	26 October 1992	ITF Saga, Japan	Clay	Eva Martincová	Ayako Hirose Masako Yanagi	2–6, 0–6
Runner-up	7.	28 June 1993	ITF Stuttgart, Germany	Clay	Denisa Krajčovičová	Eva Martincová Sylvia Štefková	1–6, ret.
Runner-up	8.	8 August 1993	ITF Sopot, Poland	Clay	Denisa Krajčovičová	Tina Križan Květa Peschke	3–6, 1–6
Runner-up	9.	13 June 1994	ITF Sopot, Poland	Clay	Patrícia Marková	Janette Husárová Radka Zrubáková	2–6, 5–7
Runner-up	10.	31 July 1995	ITF Sopot, Poland	Clay	Tina Križan	Petra Kučová Lenka Němečková	0–2 ret.
Runner-up	11.	10 August 1998	ITF Bratislava, Slovakia	Clay	Lenka Němečková	Milena Nekvapilová Hana Šromová	2–6, 4–6

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