Eylau can refer to: Battle of Eylau during the Napoleonic Wars in 1807 Eylau (wargame), a 1980 board wargame that simulates the 1807 battle Bagrationovsk (Preußisch Eylau) in Russia, until 1945 in East Prussia, Germany Eylau, Texas Iława (Deutsch Eylau) in Poland, until 1945 in West Prussia, Germany French ship Eylau (1856)