Sofya Yevgenyevna Lansere (Russian: Софья Евгеньевна Лансере, IPA: [ˈsofʲɪ̯ə ɫən⁽ʲ⁾sʲɪˈrɛ]; born 29 September 2000) is a Russian tennis player.

She has a career-high singles ranking of world No.

[1] Lansere made her WTA Tour main-draw debut at the 2018 Moscow River Cup in the doubles tournament, partnering with Elena Rybakina.

[citation needed] She made her first main-draw singles appearance at the 2023 Palermo Ladies Open, where she made it through to the second round thanks to the retirement due to injury of Olga Danilović,[2][3] before losing to third seed Mayar Sherif.

[4] Having qualified for the 2023 Hong Kong Tennis Open, Lansere defeated wildcard entrant Cody Wong,[5] but lost in round two against third seed Elise Mertens.