Poisson (born September 3, 1951) is an American politician.
He served in the Virginia House of Delegates 2006-10, representing the 32nd district in Loudoun County.
He is a member of the Democratic Party.
Poisson served on the House committees on Agriculture, Chesapeake and Natural Resources (2006–07), Counties, Cities and Towns (2008–2009), and Militia, Police and Public Safety (2006–2009).