John Cosgrove (Virginia politician)

John A. Cosgrove (born June 7, 1954) is an American politician. On August 16, 2013, he was sworn in as a member of the Senate of Virginia, representing the 14th district, after winning an August 6 special election to replace the retiring Harry Blevins.

From 2002 to 2013 Cosgrove served in the Virginia House of Delegates, representing the 78th district in the city of Chesapeake. Cosgrove is a member of the Republican Party.

Cosgrove is a Virginia State Leader for the American Legislative Exchange Council (ALEC), which writes conservative model bills for state legislators to introduce.

Cosgrove is an advocate for gun rights. In 2017, the Virginia Citizens Defense League named him one of the most pro-gun politicians in the state. In 2017, Cosgrove mistakenly left his handgun unattended in an assembly meeting room.

In September 2023 Cosgrove resigned from the Virginia Senate after being appointed by Governor Glenn Youngkin to a position at the Virginia Marine Resources Commission.