| Jan Adamiak | |
| Birth Date: | 1948 5, df=yes |
| Birth Place: | Krasnystaw, Lublin Voivodeship, Poland |
| Occupation: | Agronomist and politician |
| Party: | Polish People's Party |
| Nationality: | Polish |
Jan Kazimierz Adamiak (born 11 May 1948) is a Polish agronomist, cathedratic and politician from the Polish People's Party. He served as member of the Senate of Poland from 1993 to 1997.[1]