Patrick Floyd Jarvis Garrett (June 5, 1850 – February 29, 1908) was an American Old West lawman, bartender and customs agent who became renowned for killing Billy the Kid.
He was the sheriff of Lincoln County, New Mexico as well as Doña Ana County, New Mexico.
He co-authored The Authentic Life of Billy, the Kid with Ash Upson, and for decades after William H.
Bonney's death his book was deemed authoritative,.