Cassia sophera L. is a prominent traditional medicinal shrub, widely used in folk medicine for its antidysenteric, antidiarrhoeal, antipyretic, antinociceptive, anthelmintic, and antioxidant properties. In the present study, the antioxidant activity of n-hexane, chloroform, ethyl acetate, and methanol extracts from the leaf, flower, seed, and stem of C. sophera L. was evaluated using the DPPH (2,2-diphenyl-1-picrylhydrazyl) assay. The free radical scavenging activity assessment revealed that the ethyl acetate extracts of the leaf and stem exhibited significant antioxidant activity, with IC₅₀ values of 61.296 and 121.289 μg/ml, respectively, compared to ascorbic acid used as the positive control. Furthermore, this study reports for the first time the antioxidant potential of these solvent extracts from the leaf, flower, seed, and stem of C. sophera L., except for the previously studied methanolic leaf extract.