Jan Hendrik de Waal Malefijt (31 January 1852 in Overveen, North Holland – 14 March 1931 in Katwijk) was a Dutch politician.
Political functions City council of Zeist: 1884-1890 Mayor of Westbroek: 1890-1903 Mayor of Achttienhoven: 1890-1903 States-Provincial of Utrecht: 1892-1909 House of Representatives: 1897-1909 Gedeputeerde staten of Utrecht: 1903-1909 Minister of Colonial Affairs: 1909-1913 Mayor of Katwijk: 1914-1927 States-Provincial of South-Holland: 1916-1917 Senate: 1917-1925