Baron Gábor Andreánszky de Liptószentandrás (August 1, 1895 – November 20, 1967) was a Hungarian botanist, paleobotanist and explorer.
He was the son of politician and MP Gábor Andreánszky (1848-1908).
That position was held until 1945, when he became head of the Department of Botany at the University of Budapest, until 1952.
He made several expeditions to the Balkan Peninsula, Corsica, Morocco, Tunisia, Mauritania.
He is commemorated in the scientific name of a species of Moroccan lizard, Atlantolacerta andreanskyi.