Maryna Leonidivna Kolb (Ukrainian: Марина Леонідівна Колб; born 13 March 1997) is a Ukrainian tennis player.

She has a career-high WTA doubles ranking of world No. 173, she achieved on 9 September 2024.^[1]

Maryna was born in the city of Yevpatoriya. Her older sister Nadiia, who is also a professional tennis player, is her regular doubles partner.

Maryna made her WTA Tour main-draw debut at the 2024 Hong Kong Tennis Open, partnering with older sister Nadiia Kolb in doubles. They defeated Japanese duo Aoi Ito and Kyōka Okamura in the first round.^[2]In the quarter-finals, they were defeated by Norwegian Ulrikke Eikeri and Japanese Makoto Ninomiya.^[3]

Result	No.	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Loss	0–1	Jul 2013	ITF Istanbul, Turkey	W10	Hard	Nadiia Kolb	Polina Leykina Lidziya Marozava	6–7(2), 5–7
Loss	0–2	Nov 2013	ITF Heraklion, Greece	W10	Carpet	Nadiia Kolb	Csilla Borsányi Ilka Csöregi	6–4, 3–6, [9–11]
Loss	0–3	Jun 2014	ITF Galați, Romania	W10	Clay	Nadiia Kolb	Camelia Hristea Patricia Maria Țig	3–6, 1–6
Loss	0–4	Aug 2014	ITF Ostrava, Czech Republic	W10	Clay	Nadiia Kolb	Lenka Kunčíková Karolína Stuchlá	6–4, 2–6, [7–10]
Loss	0–5	Oct 2014	ITF Oslo, Norway	W10	Hard (i)	Nadiia Kolb	Alexa Guarachi Nina Stojanović	4–6, 6–7(7)
Loss	0–6	Nov 2014	ITF Oslo, Norway	W10	Hard (i)	Nadiia Kolb	Alexa Guarachi Daria Lodikova	3–6, 6–2, [6–10]
Loss	0–7	Jun 2015	ITF Niš, Serbia	W10	Clay	Nadiia Kolb	Ailen Crespo Azconzábal Ana Victoria Gobbi Monllau	1–6, 2–6
Loss	0–8	Jul 2015	ITF Prokuplje, Serbia	W10	Clay	Nadiia Kolb	Estrella Cabeza Candela Alexandra Nancarrow	6–2, 4–6, [6–10]
Loss	0–9	Jul 2015	ITF Iași, Romania	W10	Clay	Nadiia Kolb	Ioana Loredana Roșca Oana Georgeta Simion	3–6, 5–7
Loss	0–10	Aug 2015	ITF Plovdiv, Bulgaria	W10	Clay	Nadiia Kolb	Alexandra Nancarrow Yana Sizikova	3–6, 3–6
Win	1–10	Sep 2015	ITF Prague, Czech Republic	W10	Clay	Nadiia Kolb	Tina Tehrani Karolina Wlodarczak	6–4, 6–2
Loss	1–11	Apr 2016	ITF Győr, Hungary	W10	Clay	Nadiia Kolb	Daiana Negreanu Rebeka Stolmár	6–7(4), 0–6
Loss	1–12	Jun 2016	ITF Szczawno-Zdrój, Poland	W10	Clay	Nadiia Kolb	Olga Brózda Anastasiya Shoshyna	2–6, 6–7(4)
Win	2–12	Sep 2016	ITF Chișinău, Moldova	W10	Clay	Nadiia Kolb	Veronika Kapshay Angelina Shakhraychuk	5–7, 7–5, [10–6]
Win	3–12	Sep 2017	ITF Kyiv, Ukraine	W15	Clay	Nadiia Kolb	Martina Colmegna Michele Alexandra Zmău	6–2, 4–6, [13–11]
Loss	3–13	Nov 2017	ITF Stockholm, Sweden	W15	Hard (i)	Nadiia Kolb	Malene Helgø Fanny Östlund	w/o
Win	4–13	Nov 2017	ITF Minsk, Belarus	W15	Hard (i)	Nadiia Kolb	Manon Arcangioli Alena Tarasova	5–7, 6–4, [10–7]
Loss	4–14	Dec 2017	ITF Milovice, Czech Republic	W15	Hard (i)	Nadiia Kolb	Jana Jablonovská Lena Papadakis	1–6, 3–6
Win	5–14	Sep 2018	ITF Chornomorsk, Ukraine	W15	Clay	Nadiia Kolb	Alexandra Perper Anastasia Vdovenco	6–4, 6–4
Win	6–14	Aug 2022	ITF Bydgoszcz, Poland	W15	Clay	Nadiia Kolb	Valeriia Olianovskaia Stefania Rogozińska Dzik	6–4, 1–6, [10–7]
Win	7–14	Sep 2022	ITF Ceuta, Spain	W15	Hard	Nadiia Kolb	Lucía Llinares Domingo Olga Parres Azcoitia	6–4, 6–2
Loss	7–15	Oct 2022	ITF Baza, Spain	W15	Hard	Nadiia Kolb	Lucía Llinares Domingo Olga Parres Azcoitia	5–7, 6–2, [11–13]
Loss	7–16	Oct 2022	ITF Seville, Spain	W25	Clay	Nadiia Kolb	İpek Öz Nika Radišić	5–7, 6–7(3)
Win	8–16	Sep 2022	ITF Gdańsk, Poland	W15	Clay	Nadiia Kolb	Gina Feistel Marcelina Podlińska	6–0, 6–1
Loss	8–17	Sep 2023	ITF Frýdek-Místek, Czech Republic	W25	Clay	Nadiia Kolb	Mana Kawamura Linda Klimovičová	1–6, 3–6
Loss	8–18	Sep 2023	ITF Féminin Le Neubourg, France	W80	Hard	Nadiia Kolb	Fiona Ferro Alina Korneeva	6–7(7), 5–7
Loss	8–19	Sep 2023	ITF Santarém, Portugal	W25	Hard	Nadiia Kolb	Dalayna Hewitt Madison Sieg	6–4, 2–6, [10–12]
Win	9–19	Oct 2023	ITF Seville, Spain	W25	Clay	Nadiia Kolb	Cristina Dinu Sapfo Sakellaridi	6–1, 6–1
Win	10–19	Oct 2023	ITF Faro, Portugal	W25	Hard	Nadiia Kolb	Diāna Marcinkēviča Sapfo Sakellaridi	6–4, 6–3
Loss	10–20	Oct 2023	ITF Castellón, Spain	W15	Clay	Nadiia Kolb	Marie Mettraux Chantal Sauvant	6–3, 1–6, [5–10]
Loss	10–21	Nov 2023	ITF Nules, Spain	W15	Clay	Nadiia Kolb	Yvonne Cavallé Reimers Ángela Fita Boluda	1–6, 2–6
Loss	10–22	Aug 2024	ITF Bytom, Poland	W50	Clay	Nadiia Kolb	Nicole Fossa Huergo Zhibek Kulambayeva	6–7(6), 2–6
Loss	10–23	Aug 2024	ITF Bydgoszcz, Poland	W35	Clay	Nadiia Kolb	Sada Nahimana Rinon Okuwaki	4–6, 1–6
Loss	10–24	Aug 2024	ITF Brașov, Romania	W35	Clay	Nadiia Kolb	Ksenia Laskutova Nina Vargová	3–6, 4–6
Loss	10–25	Sep 2024	Ladies Open Vienna, Austria	W75	Clay	Nadiia Kolb	Emily Appleton Estelle Cascino	4–6, 6–7(1)

• Maryna Kolb at the Women's Tennis Association
• Maryna Kolb at the International Tennis Federation