Henry Jansen

Henry Jansen or Janssen may refer to:


 * Henry J. Janssen (1860–1922), member of the Wisconsin State Assembly
 * Henry Jansen (politician), see 35th and 36th New York State Legislature
 * Henry Janssen of the Janssen baronets
 * Henry Janssen (Canadian football), see 1974 CFL Draft
 * Henry Jansen, musician with Dovetail Joint