Victor Dessaignes (31 December 1800 – 4 January 1885) was a French lawyer, physician and chemist. Dessaignes conducted experiments on organic acids and was involved in the synthesis of hippuric acid. He was also involved in characterizing and naming malonic acid, the synthesis of asparagine from ammonium dimalate, conversion between optical isomers of tartaric acid, fumaric acid in mushrooms and the synthesis of several amides.