Douglas Charles Gillespie (born August 13, 1958) is an American retired law enforcement officer.

[2] Gillespie began his work as a lew enforcement officer in Las Vegas and made an appearance on the show Cops as a K-9 sergeant during the 3rd season.

On February 9, 2010, Gillespie responded to the budget woes of the Las Vegas Metropolitan Police Department (LVMPD).

[8] On April 12, 2014, anti-government activist Cliven Bundy "ordered" Sheriff Gillespie to confront the federal Bureau of Land Management agents, disarm them and deliver their arms to Bundy within an hour of his demand, and later expressed disappointment that Gillespie did not comply.

Senator Dean Heller praised Gillespie's work as Sheriff of Clark County.