Henry Davis Pochin (25 May 1824 – 28 August 1895) was an English industrial chemist. He invented a process that enabled white soap to be made and a means of using china clay to create better quality paper. He owned several china clay pits in Cornwall, and a mine at Tredegar in South Wales, and was briefly a Liberal Member of Parliament. His wife was Agnes Pochin who was a leading suffragist.