Gyula Pikler (21 May 1864 – 28 November 1937) Hungarian philosopher of law, university professor, member of the Society for Social Sciences.

It was under his influence and around his person that the Galileo Circle was founded in Budapest in 1908, which was joined primarily by progressive young intellectual people.

Even in parliamentary speeches, he was often criticized by the radical right, despite the fact that Pikler never having been an active politician or a member of parliament.

In the early years of the century, he worked together with colleagues, Oszkár Jászi, Ágost Pulszky, Rusztem Vámbéry in 1900, Somló Bódog, he launched the Huszadik Század',(Twentieth Century) a bourgeois radical social science journal, and a year later the Társadalomtudományi Társaság (Society of Social Sciences) was founded.

For the rest of his life, he lived on his family's estate in Ecséd, where he studied visual physiological observations and experiments, which he also published in German.