Wilhelm Amsinck Burchard-Motz (born 4 July 1878 in Hamburg, died 13 January 1963 in Hamburg) was a German lawyer and national-liberal politician. He served as Senator for Trade, Shipping and Industry of Hamburg from 1925 to 1933 and as Second Mayor from 1933 to 1934. Burchard-Motz was a member of the Nazi Party. He was the son of Hamburg First Mayor Johann Heinrich Burchard and Emily Amsinck. Following studies in Heidelberg, Lausanne and Cambridge, he worked as lawyer in Hamburg from 1904 where he was a member of the (chambers, as in association of barristers).