Alena Sergeyevna Fomina-Klotz (née Fomina; Russian: Алёна Сергеевна Фомина; born 5 July 1989) is a Russian tennis player.

She has won one singles title and 27 doubles titles on the ITF Women's Circuit.

On 3 April 2017, she reached a career-high singles ranking of world No.

[citation needed] Fomina made her WTA Tour debut at the 2014 Topshelf Open, partnering Christina Shakovets in doubles, but lost her first-round match against Maria Kirilenko and Yanina Wickmayer.

[1] Partnering Cristina Bucșa, she won the doubles title at the WTA 125 2023 Grand Est Open 88, defeating Amina Anshba and Anastasia Dețiuc in the final.