A stray bullet is a bullet that hits an unintended target from a gunshot or shooting, usually during crossfire or celebratory gunfire.

Stray Bullet
A stray bullet in the brain
Stray bullet in inferior vena cava
A stray bullet in the brain : The Lancet
Stray bullet shootings in the United States
Stray bullet injuries in children: an alert for the physicians.
Intracerebral migration of stray bullet leading to sudden and fatal worsening.
Epidemiology and clinical aspects of stray bullet shootings in the United States
The incidence, pattern and outcome of stray bullet injuries. A?growing challenge for surgeons
The falling bullets: post-Libyan revolution celebratory stray bullet injuries