Lenka Němečková (born 20 April 1976) is a Czech former professional tennis player.

Němečková was born in Brno. She has a career-high WTA singles ranking of 72, achieved on 12 January 1998. She also has a career-high WTA doubles ranking of 85, achieved on 28 April 1997. Němečková won one doubles title on the WTA Tour and four singles and 16 doubles titles on the ITF Circuit.

Němečková (married Janoušková) retired from professional tennis in 2006.

Result	Date	Tournament	Surface	Opponent	Score
Loss	Sep 1997	Surabaya, Indonesia	Hard	Dominique Monami	1–6, 3–6

Result	No.	Date	Tournament	Surface	Partner	Opponents	Score
Loss	1.	Apr 1997	Jakarta, Indonesia	Hard	Yuka Yoshida	Kerry-Anne Guse Kristine Radford	4–6, 7–5, 5–7
Loss	2.	Jul 2001	Vienna, Austria	Clay	Vanessa Henke	Paola Suárez Patricia Tarabini	4–6, 2–6
Win	1.	Oct 2001	Beijing, China	Hard	Liezel Huber	Evie Dominikovic Tamarine Tanasugarn	6–0, 7–5

Outcome	No.	Date	Location	Surface	Opponent	Score
Runner-up	1.	22 March 1993	Madrid, Spain	Hard	Gala León García	3–6, 4–6
Winner	2.	14 June 1993	Maribor, Slovenia	Clay	Blanka Kumbárová	6–0, 6–2
Runner-up	3.	28 June 1993	Velp, Netherlands	Clay	Yvette Basting	0–6, 5–7
Runner-up	4.	24 April 1995	Budapest, Hungary	Clay	Andrea Temesvári	4–6, 6–3, 4–6
Runner-up	5.	21 May 1995	Tortosa, Spain	Clay	Veronica Stele	2–6, 6–2, 4–6
Winner	6.	29 July 1996	Rostock, Germany	Clay	Sandra Klösel	6–2, 7–6
Winner	7.	22 September 1996	Sofia, Bulgaria	Clay	Francesca Romano	6–2, 6–3
Runner-up	8.	23 February 1997	Bogotá, Colombia	Clay	Corina Morariu	2–6, 3–6
Runner-up	9.	24 September 2000	Lecce, Italy	Clay	Maja Palaveršić	2–6, 2–6
Runner-up	10.	4 August 2002	Brindisi, Italy	Clay	Ľubomíra Kurhajcová	6–7(2), 0–6
Runner-up	11.	29 September 2002	Lecce, Italy	Clay	Arantxa Parra Santonja	3–6, 4–6
Winner	12.	28 April 2003	Maglie, Italy	Clay	Ivana Lisjak	5–7, 6–1, 7–6(5)
Runner-up	13.	29 June 2003	Båstad, Sweden	Clay	Jana Hlaváčková	4–6, 6–3, 0–6

Outcome	No.	Date	Tournament	Surface	Partner	Opponents	Score
Winner	1.	15 March 1993	Zaragoza, Spain	Hard	Dominika Gorecká	Gala León García Silvia Ramón-Cortés	6–4, 6–1
Winner	2.	22 March 1993	Madrid, Spain	Clay	Dominika Gorecká	Vanessa Castellano Alicia Ortuño	6–4, 6–4
Winner	3.	12 April 1993	Neudörfl, Austria	Clay	Zuzana Nemšáková	Pavlína Rajzlová Ivana Havrlíková	4–6, 6–4, 6–2
Winner	4.	14 June 1993	Maribor, Slovenia	Clay	Martina Hautová	Markéta Štusková Alena Vašková	6–7(4), 6–1, 7–5
Winner	5.	28 June 1993	Velp, Netherlands	Clay	Martina Hautová	Maija Avotins Lisa McShea	7–5, 7–5
Winner	6.	9 August 1993	Munich, Germany	Clay	Petra Raclavská	Ivona Horvat Martina Hautová	2–6, 6–3, 6–2
Winner	7.	29 November 1993	Le Havre, France	Clay (i)	Ludmila Richterová	Christína Papadáki Julie Steven	6–1, 7–6(2)
Runner-up	8.	20 June 1994	Valladolid, Spain	Clay	Hanneke Ketelaars	Hiroko Mochizuki Yuka Tanaka	0–6, 6–4, 2–6
Runner-up	9.	27 June 1994	Plovdiv, Bulgaria	Clay	Kateřina Kroupová-Šišková	Nanne Dahlman Janette Husárová	4–6, 4–6
Winner	10.	29 August 1994	Istanbul, Turkey	Hard	Petra Raclavská	Carin Bakkum Maaike Koutstaal	6–2, 6–3
Winner	11.	15 May 1995	Tortosa, Spain	Clay	Eva Melicharová	Estefanía Bottini Gala León García	6–3, 7–6(5)
Runner-up	12.	3 July 1995	Sezze, Italy	Clay	Maja Živec-Škulj	Laura Garrone Gloria Pizzichini	6–7(4), 2–6
Winner	13.	31 July 1995	Sopot, Poland	Clay	Petra Raclavská	Tina Križan Katarína Studeníková	2–0 ret.
Runner-up	14.	23 June 1996	Bytom, Poland	Clay	Eva Martincová	Denisa Chládková Radka Pelikánová	6–7(0), 4–6
Winner	15.	11 August 1996	Sopot, Poland	Clay	Helena Vildová	Kirstin Freye Silke Meier	6–0, 6–0
Winner	16.	22 September 1996	Sofia, Bulgaria	Clay	Laura Montalvo	Teodora Nedeva Antoaneta Pandjerova	6–2, 6–0
Runner-up	17.	4 August 1997	Sopot, Poland	Clay	Radka Bobková	Svetlana Krivencheva Elena Tatarkova	6–7(7), 3–6
Runner-up	18.	10 August 1998	Bratislava, Slovakia	Clay	Katarína Studeníková	Milena Nekvapilová Hana Šromová	2–6, 4–6
Runner-up	19.	15 February 1999	Redbridge, United Kingdom	Hard (i)	Patricia Wartusch	Nóra Köves Dragana Zarić	1–6, 4–6
Winner	20.	28 March 1999	Atlanta, United States	Hard	Meilen Tu	Catherine Barclay Katie Schlukebir	6-3, 6-3
Runner-up	21.	8 May 1999	Bratislava, Slovakia	Clay	Radka Zrubáková	Tina Križan Katarina Srebotnik	1–6, 3–6
Runner-up	22.	20 June 1999	Marseille, France	Clay	Eva Martincová	Gisela Riera Raluca Sandu	4–6, 6–7
Runner-up	23.	4 August 2002	Brindisi, Italy	Clay	Ľubomíra Kurhajcová	Flavia Pennetta Andreea Ehritt-Vanc	3–6, 2–6
Winner	24.	16 September 2002	Luxembourg City, Luxembourg	Clay	Eva Martincová	Eva Fislová Ľubomíra Kurhajcová	6–1, 6–4
Runner-up	25.	29 June 2003	Båstad, Sweden	Clay	Vanessa Henke	Jana Hlaváčková Dominika Luzarová	5–7, 2–6
Winner	26.	14 July 2003	Garching bei München, Germany	Clay	Angelika Bachmann	Antonia Matic Lydia Steinbach	6–2, 7–6(7)
Runner-up	27.	21 September 2003	Biella, Italy	Clay	Martina Müller	Ľubomíra Kurhajcová Libuše Průšová	2–6, 4–6
Winner	28.	17 February 2004	Columbus, United States	Hard (i)	Stanislava Hrozenská	Leanne Baker Francesca Lubiani	7–6(3), 4–6, 6–3
Runner-up	29.	20 July 2004	Innsbruck, Austria	Clay	Stanislava Hrozenská	Alona Bondarenko Galina Fokina	2–6, 4–6
Runner-up	30.	19 December 2004	Bergamo, Italy	Hard	Julia Schruff	Giulia Casoni Francesca Lubiani	2-6, 3-6
Runner-up	31.	11 July 2005	Vittel, France	Clay	Stanislava Hrozenská	Hana Šromová Renata Voráčová	4–6, 4–6

• Lenka Němečková at the Women's Tennis Association
• Lenka Němečková at the International Tennis Federation