Oswald Charles Eugène Marie Ghislain de Kerchove de Denterghem (1 April 1844 – 20 March 1906), was a Belgian liberal politician. Oswald de Kerchove was a son of the Ghentian mayor Charles de Kerchove de Denterghem.De Kerchove was a lawyer and became a liberal senator. He was governor in Hainaut from 1878 to 1884. He was an internationally recognized authority in the study of palms and orchids. The standard author abbreviation Kerch. is used to indicate this person as the author when citing a botanical name.