| Pike Island Lock and Dam | |
| Name Official: | Pike Island Lock and Dam |
| Dam Crosses: | Ohio River |
| Location: | Yorkville, Ohio |
| Operator: | United States Army Corps of Engineers Pittsburgh District |
| Dam Type: | Gated |
| Res Elevation: | 644 feet above sealevel |
| Construction Began: | 1959 |
| Opening: | November 1963 |
| Coordinates: | 40.1504°N -80.7034°W |
Pike Island Lock and Dam is the fifth lock and dam on the Ohio River, located in Yorkville, Ohio 84 miles downstream of Pittsburgh. There are two locks, one for commercial barge traffic that's 1,200 feet long by 110 feet wide, and the auxiliary lock is 600 feet long by 110 feet wide.[1]