Yakub Kolas (also Jakub Kołas, Belarusian: Яку́б Ко́лас, November 3 [O.S. October 22] 1882 – August 13, 1956), real name Kanstancin Mickievič (Міцке́віч Канстанці́н Міха́йлавіч) was a Belarusian writer, People's Poet of the Byelorussian SSR (1926), and member (1928) and vice-president (from 1929) of the Belarusian Academy of Sciences.