Petras Kalpokas (31 March 1880 in Miškinė – 5 December 1945) was a Lithuanian artist and professor.
In 1898 Kalpokas moved to Odessa where he spent two years as an art student. In 1890 (?) he received a bronze medal for his still life painting. In 1892 the first exhibition of Kalpokas' drawings was organized in Riga. Kalpokas continued his studies of arts in Munich. He studied under guidance of Anton Ažbe and Wilhelm von Debschitz. Kalpokas attended Heimann Academy and Munich University.
Between 1909 and 1920 Kalpokas traveled around Europe: Switzerland, Hungary, Italy. In 1914 he attempted to organize a large one-man exhibition in Germany, but more than 120 of his paintings were lost due to World War I. After he returned to Lithuania, Kalpokas began teaching. First lecturing at drawing courses, established by Justinas Vienožinskis, he later taught at Kaunas Art Institute. In 1928 Kalpokas held a large personal exhibition in Kaunas. In 1930 he published a textbook on painting techniques and in 1945 became a professor.
Most of Kalpokas' works are landscapes and portraits, but he experimented with diverse genres (still life, thematic composition, theatrical scenery, monumental painting) and techniques (oil, watercolor, tempera, fresco). Landscapes of Kalpokas are lyric. Some of them are realistic, others have features of impressionism. His portraits are psychological and precise, while frescoes - decorative and dynamic. Among noted works by Kalpokas are:
- The Golden Birch Tree (1907)
- Rivulet in Spring (1907)
- Sylvan way (1912)
- The landscape of Switzerland (1915)
- Wind from the Sea (1942)
- Portrait of Jurgis Šlapelis (1924)
- Portrait of Jonas Jablonskis (1938)
- Portrait of Salomeja Neris (1945)
- Amasone (1933)
- Forest and Cloud (1926)