Also known by the following names:

• Kostrowisky, Guillaume de, 1880-1918
• De Kostrowisky, Guillaume, 1880-1918
• Kostrowitzky, Wilhelm Apollinaris de, 1880-1918
• Apollinaris de Kostrowitzky, Wilhelm, 1880-1918
• Apolliner, Giĭom, 1880-1918
• Apollinair, Gkigiōm, 1880-1918
• Apoliner, Giyom, 1880-1918
• אפולינר, ג., 1880-1918
• אפולינר, גיום