Lucy (Lyusya) Shtein is a Russian activist and member of punk-rock collective Pussy Riot.

In 2021, Shtein was placed in house arrest in Moscow with her girlfriend, Maria Alyokhina, for supporting political prisoners in Russia.

[5][6] Shtein has spoken against laws in Russia that ban "LGBT propaganda",[7] and in 2022 she and other members of Pussy Riot performed at the pride parade in St. Petersburg, Florida.

[12] In response to Navalny's death in 2024, Pussy Riot members Shtein and Nadya Tolokonnikova took part in memorial action outside of the Russian Embassy in Berlin, along with Lyubov Sobol and Marina Ovsyannikova.

The work of human rights activists from “North Caucasus SOS” is highlighted in the HBO documentary ”Welcome to Chechnya”.