Alexis Chassang (2 April 1827 in Bourg-la-Reine – 8 March 1888 in Bourg-la-Reine) was a French linguist and translator.
In 1849 he received his agrégation in letters, and in 1852, his doctorate. Afterwards, he served as a professor of rhetoric at lycées in Lille and Bourges. From 1862 to 1871 he was a professor of Greek languages and literature at the École Normale Supérieure in Paris.
From 1873 to 1888 he held the post of Inspector General of Secondary Education. He was co-founder of the Association pour l'encouragement des études grecques (Association for the Promotion of Hellenic Studies), serving as its president in 1887.