Joseph Lauren Lengyel (born September 4, 1959) is a United States Air Force officer who has served as Chief of the National Guard Bureau since August 2016.
As chief, he is responsible for ensuring that nearly 460,000 Army National Guard and Air National Guard personnel are accessible, capable and ready to protect the homeland and to provide combat capabilities to the United States Army and the United States Air Force.
Lengyel is a command pilot with more than 3,000 flying hours primarily in the F-16.
Prior to his current assignment, Lengyel served as Vice Chief of the National Guard Bureau.
His previous general officer assignments include Senior United States Defense Official; Chief, Office of Military Cooperation; and Defense Attaché, Cairo, United States Central Command, Cairo, Egypt.