Bohdan Oleksandrovych Kistyakivsky was a Ukrainian philosopher, jurist, and sociologist. He reached prominence with his Gesellschaft und Einzelwesen published in Berlin in 1899. Philosophically he defended transcendental idealism. In 1902 he contributed to Problems of Idealism, edited by Pavel Novgorodtsev. In 1909 he contributed the essay "In Defense of Law" to the anthology Vekhi (Landmarks).