Ekaterina Yuryevna Yashina (Russian: Екатерина Юрьевна Яшина, IPA: [ɪ̯ɪkətʲɪˈrʲinə ˈjaʂɨnə]; born 6 August 1993) is a professional Russian tennis player. On 7 January 2019, she reached her highest singles ranking of world No. 335 whilst her best WTA doubles ranking was 131 on 8 November 2021. She made her WTA Tour main-draw debut at the 2011 Tashkent Open, gaining entry as a wildcard, partnering Sabina Sharipova.