| Hans J. Lassen | |
| Order: | 4th |
| Office: | Governor of Greenland |
| Term Start: | 1973 |
| Term End: | 1979 |
| Predecessor: | Niels Otto Christensen |
| Successor: | Jonathan Motzfeldt as Prime Minister |
| Birth Date: | 16 August 1926 |
| Nationality: | Danish |
| Occupation: | Lawyer, civil servant |
Hans J. Lassen (1926–2011) was the last Danish Governor of Greenland from 1973 to 1979, when home rule was established.[1]
He was a knight of the Order of the Dannebrog.