Gary Lee Davis (August 13, 1944 – October 13, 1997) was an American convicted murderer and rapist who was executed by the U.S. state of Colorado in 1997.

After dropping out of school in the ninth grade, Davis joined the United States Marine Corps in 1961; he married Tonya Ann Tatem; the couple had two sons before their divorce.

In 1982, Davis was jailed on a sexual assault conviction in Colorado; during his imprisonment, he struck up a correspondence with Rebecca Fincham.

[7] During the time he sat on Colorado's death row, Davis was able to reunite with some of his family, including his first two wives, and, according to some witnesses, experienced a dramatic spiritual conversion during his final years.

Then-Governor of Colorado Roy Romer refused to grant clemency to Davis, stating, in part: "[T]here undoubtedly has been some rehabilitation of his character and his demeanor.