Wilhelm Alexandrovich Kotarbinsky (William Kotarbinski; 1849−1922) — painter of historical genre; a cousin of the artist Milos Kotarbinsky and theatrical figure and writer Jozef Kotarbinsky.
Being a student of the Academy of fine arts, received a small gold medal for the painting «the Volcano attracts Prometheus to the rock.» For the execution of another program («the Patient Prince Pozharsky receives Moscow envoys») is recognized as the class artist 1-th degree. Long lived in Rome.
Participated in the works of V. Vasnetsov in the decoration of the Kiev Cathedral of St. Vladimir. A large picture of the «Roman Orgy» is in the Russian Museum in St. Petersburg.