| Mark Alan Siegel | |
| Office: | Chair of the Palm Beach County Democratic Party |
| Term Start: | December 2008 |
| Term End: | September 2012 |
| Predecessor: | Wahid Mahmood[1] |
| Successor: | Terrie Rizzo[2] |
| State Assembly1: | New York |
| District1: | 66th |
| Term Start1: | January 1, 1975 |
| Term End1: | December 31, 1990 |
| Predecessor1: | Antonio G. Olivieri |
| Successor1: | John Ravitz |
| Birth Date: | 20 May 1944 |
| Birth Place: | Manhattan, New York City, New York |
| Alma Mater: | Columbia University (AB, JD)[3] |
| Party: | Democratic |
Mark Alan Siegel (born May 20, 1944) is an American politician who served in the New York State Assembly from the 66th district from 1975 to 1990.[4] [5] He ran for the Florida House of Representatives in 2006, but came in third place in the Democratic primary.[6] He served as Chair of the Palm Beach County Democratic Party from December 2008 to September 2012.[7]