The parents of a Pace University college football player yesterday sued the Westchester County cop who shot and killed him, calling the shooting an “unconscionable use of force.”

Danroy Henry Sr. and Angella Henry, of Easton, Mass., say the Pleasantville officer violated the civil and constitutional rights of their son, Danroy Henry Jr., and demand compensation for their son’s death and their suffering.

Danroy’s absence has not only “changed us forever, but his suffering will always haunt us as well,” the parents said in a statement.

The officer, Aaron Hess, was cleared of wrongdoing by a grand jury in February.

Hess shot Henry through the windshield of Henry’s car on Oct. 17 as the 20-year-old drove away from a disturbance that spilled out of a bar in Thornwood after Pace’s homecoming game.

While Hess claims he had to fire to stop the driver after being hit and thrown onto the car’s hood, the lawsuit — filed in White Plains — claims Hess jumped in front of the car, “ascended” the hood and fired for no good reason.

Hess’ lawyer didn’t return a call for comment.