Irena Veisaitė (9 January 1928 – 11 December 2020) was a Lithuanian theatre scholar, intellectual and human rights activist.

She earned a doctorate in Leningrad in 1963 with a dissertation on the poetry of Heinrich Heine, and was a lecturer at the teacher's college in Vilnius from 1953 to 1997.

She was also known for addressing communism in her work, and said in an interview with Deutsche Welle that "the Soviets were very, very bad.

"[2] In 1952, Veisaite married in Moscow to a young Jewish economist named Jakov (Jasha) Boom.

She died from COVID-19 in Vilnius on 11 December 2020, during the COVID-19 pandemic in Lithuania, twenty nine days short from her 93rd birthday.