Liudas Gira (27 August 1884 in Vilnius – 1 July 1946 in Vilnius) was a Lithuanian poet, writer, and literary critic. His is noted for his early poetry, which resembles traditional Lithuanian folk songs. Gira was active in cultural and political life, gradually shifting towards communism in 1930s. He supported the Soviet Union and helped to transform independent Lithuania into the Lithuanian Soviet Socialist Republic. His son, Vytautas Sirijos Gira, is also a known poet and writer.