Delaware Route 6 (DE 6) is a state highway in Kent County, Delaware. It runs from Maryland Route 291 (MD 291) at the Maryland border west of Blackiston east to the Delaware Bay in Woodland Beach. The route passes through rural areas of northern Kent County as well as the towns of Clayton and Smyrna. DE 6 intersects DE 42 in Blackiston, DE 15 in Clayton, DE 300 and U.S. Route 13 (US 13) in Smyrna, and DE 9 to the east of Smyrna. The road was built as a state highway during the 1920s and 1930s and received the DE 6 designation by 1936. The easternmost part of the route was paved in the 1960s and the route was moved to its current alignment bypassing downtown Smyrna by the 1990s.

Kent County is a county located in the central part of the U.S. state of Delaware. As of the 2020 census, the population was 181,851, making it the least populous county in Delaware. The county seat is Dover, the state capital of Delaware. It is named for Kent, an English county.