| Jan Tomasz Zamoyski | |
| Birth Date: | 12 June 1912 |
| Birth Place: | Klemensów |
| Death Place: | Warsaw |
| Spouse: | Róża z Żółtowskich |
| Children: | Marcin Zamoyski Maria Ponińska |
| Parents: | Maurycy Zamoyski Maria Róża z Sapiehów |
Jan Tomasz Zamoyski (12 June 1912 in Klemensów – 29 June 2002 in Warsaw) was a Polish political activist. He was the 16th and last Ordynat of the Zamoyski Family Fee Tail, senator (1991–1993), president of the National-Democratic Party (since 1991). Awarded the Order of the White Eagle.
His efforts lead to the establishment of the Sacred Museum of the Zamość Cathedral in 1987.[1]
After the collapse of the communist regime in 1989 he served as a member of the Senate of Poland in the Third Republic of Poland.[2]