Hartmannus Hartmanni
Hartmannus Hartmanni is the name of the following people:
- Hartmannus Hartmanni (Canon) (~ 1472–1510), German legal scholar and canon
- Hartmannus Hartmanni the Elder (~ 1495–1547), Chancellor of the Electorate of the Palatinate and university professor
- Hartmannus Hartmanni the Younger (1523–1586), lawyer from the Electoral Palatinate