| Henryk Siedlaczek | |
| Nationality: | Polish |
| Office: | member of Sejm 2005-2007 |
| Term Start: | 25 September 2005 |
| Term End: | ? |
| Party: | Civic Platform |
| Birth Date: | 1956 |
Henryk Piotr Siedlaczek (born 30 January 1956 in Wodzisław) is a Polish politician. He was elected to the Sejm on 25 September 2005, getting 7476 votes in 30 Rybnik district as a candidate from the Civic Platform list.