2021 WTA Lyon Open

Laura Ioana Paar and Julia Wachaczyk were the defending champions but lost in the quarterfinals to Viktória Kužmová and Arantxa Rus.

Kužmová and Rus went on to win the title, defeating Eugenie Bouchard and Olga Danilović in the final, 3–6, 7–5, [10–7].

Seeds

Key

First round			Quarterfinals		Semifinals			Final

1	Slovakia V Kužmová Netherlands A Rus	6	6
WC	France A Hesse France E Lechemia	2	1			1	Slovakia V Kužmová Netherlands A Rus	6	6
	Russia M Gasparyan Sweden C Lister	4	2				Romania LI Paar Germany J Wachaczyk	4	4
	Romania LI Paar Germany J Wachaczyk	6	6						1	Slovakia V Kužmová Netherlands A Rus	6	6
4	Russia E Alexandrova Russia Y Sizikova	77	3	[10]					Kazakhstan A Danilina Belarus L Marozava	3	3
	Norway U Eikeri Poland P Kania-Choduń	64	6	[5]		4	Russia E Alexandrova Russia Y Sizikova	1	4
	Romania I Bara Romania M Buzărnescu	4	4				Kazakhstan A Danilina Belarus L Marozava	6	6
	Kazakhstan A Danilina Belarus L Marozava	6	6				1	Slovakia V Kužmová Netherlands A Rus	3	7	[10]
PR	Russia A Panova Netherlands R van der Hoek	77	2	[11]						Canada E Bouchard Serbia O Danilović	6	5	[7]
	Slovenia D Jakupović Poland K Piter	64	6	[9]		PR	Russia A Panova Netherlands R van der Hoek	2	6	[10]
	Canada E Bouchard Serbia O Danilović	6	6				Canada E Bouchard Serbia O Danilović	6	4	[12]
3	United States K Christian United States S Santamaria	3	4							Canada E Bouchard Serbia O Danilović	69	6	[10]
PR	Belarus V Lapko Belarus A Sasnovich	6	6					2	Japan M Ninomiya Czech Republic R Voráčová	711	2	[8]
WC	France L Boisson France J Fayard	1	1			PR	Belarus V Lapko Belarus A Sasnovich	3	3
	Poland M Fręch Poland K Kawa	2	4			2	Japan M Ninomiya Czech Republic R Voráčová	6	6
2	Japan M Ninomiya Czech Republic R Voráčová	6	6