| Edward H. Janssen | |
| Order: | 2nd |
| Office: | State Treasurer of Wisconsin |
| Term Start: | January 5, 1852 |
| Term End: | January 7, 1856 |
| Governor: | Leonard J. Farwell William A. Barstow |
| Predecessor: | Jairus C. Fairchild |
| Successor: | Charles Kuehn |
| Birth Date: | c. 1815 |
| Birth Place: | Germany |
| Death Date: | 1877 |
| Death Place: | Cedarburg, Wisconsin |
| Restingplace: | Opitz Cemetery Mequon, Wisconsin |
| Relatives: | Theodore Janssen (brother) |
| Profession: | pioneer, teacher, politician |
| Party: | Democratic |
| Office3: | Superintendent of Schools of Ozaukee County, Wisconsin |
| Term3: | 1860?-1877 |
Edward H. Janssen (c. 1815 - 1877) was a German American immigrant, teacher, and pioneer. He was the 2nd State Treasurer of Wisconsin.[1]
Born in Germany in 1815, Janssen moved to Mequon, Wisconsin in 1840.[2] He was a delegate to the first Wisconsin Constitutional Convention in 1846 and served as Treasurer from 1852 to 1856. In 1853, he helped to build the Concordia Mill, now listed on the National Register of Historic Places. Later, he moved to Cedarburg, Wisconsin and became Superintendent of Schools of Ozaukee County, Wisconsin. He held the position until his death in 1877.