Clark County Sheriff's Department can refer to the following law enforcement units:

Clark County Sheriff's Department (Illinois) - Clark County, Illinois Clark County Sheriff's Department (Kentucky) - Clark County, Kentucky Clark County Sheriff's Department (Nevada) - Clark County, Nevada Clark County Sheriff's Department (Washington) - Clark County, Washington Clark County Sheriff's Department - Clark County, Wisconsin

Additionally, Clark County Sheriff's Department may refer to: Clark County Sheriff's Office (Arkansas) - Clark County, Arkansas Clark County Sheriff's Office (Idaho) - Clark County, Idaho Clark County Sheriff's Office (Kansas) - Clark County, Kansas Clark County Sheriff's Office (Missouri) - Clark County, Missouri Clark County Sheriff's Office (Ohio) - Clark County, Ohio Clarke County Sheriff Office (Alabama) - Clarke County, Alabama Clarke County Sheriff's Office (Georgia) - Clarke County, Georgia Lewis and Clark County Sheriff's Office - Lewis and Clark County, Montana