| Bernard Ptak | |
| Nationality: | Polish |
| Office: | member of Sejm 2005-2007 |
| Term Start: | 25 September 2005 |
| Term End: | 2007 |
| Party: | Self-Defence of the Republic of Poland |
Bernard Adam Ptak (born 9 August 1954 in Mościszki) is a Polish politician. He was elected to the Sejm on 25 September 2005, getting 7023 votes in 36 Kalisz district as a candidate from the Self-Defence of the Republic of Poland list.