Kentucky Route 717 (KY 717) is a state highway in northeastern Boone County and northwestern Kenton County, Kentucky, that runs from KY 842 and the southbound lanes of Interstate 71 (I-71) and I-75 in northwestern Florence to KY 3076 and Turfway Road in northwestern Erlanger.
KY 717 was designated on December 3, 1987. On March 14, 2014, the road was extended east replacing part of KY 1017.
The original KY 717 was as a loop off of US 41 Alternate in Hopkinsville via 21st Street. This was decommissioned by September 26, 1980.