Karl (Carl) Alexaner Anselm Freiherrvon Hügel (Baron Charles von Hügel; April 23, 1795 – June 2, 1870) was an Austrian army officer, diplomat, botanist and explorer, now primarily remembered for his travels in northern India during the 1830s. During his lifetime he was celebrated by the European ruling classes for his botanical garden and his introduction of plants and flowers from New Holland (Australia) to Europe's public gardens.