- Illinois, United States2
- India1
- Indian Ocean, Pacific Ocean, China Seas1
- Indiana, United States2
- Iredell County, North Carolina, United States1
- Irish Sea1
- Jamaica2
- Japan.1
- Kadena Air Base (Okinawa)1
- Kaskaskia River, Illinois, United States1
- Kennett Square (Pa.)1
- Kentucky River, Frankfort, Franklin County, Kentucky, United States2
- Kentucky River, Frankfort,Kentucky, United States1
- Kershaw County (S.C.)6
- Kershaw County (S.C.), Lee County (S.C.)1
- Kershaw County (SC)1
- Key West, Monroe County, Florida, United States9
- Kingston (N.Y.)1
- La Rochelle, Charente-Maritime department, France1
- Lake Champlain1