| Lech Szymańczyk | |
| Nationality: | Polish |
| Office: | member of Sejm 2005-2007 |
| Term Start: | 25 September 2005 |
| Term End: | 2007 |
| Party: | Samoobrona |
Lech Szymańczyk (born 15 May 1949 in Wola Młocka) is a Polish politician. He was elected to Sejm on 25 September 2005, getting 7393 votes in 16 Płock district as a candidate from Samoobrona Rzeczpospolitej Polskiej list.
He was also a member of Polish Sejm 1993-1997 and Polish Sejm 1997–2001.