| Honna Dam | |
| Name Official: | 本名ダム |
| Location Map: | Japan |
| Coordinates: | 37.4411°N 139.4931°W |
| Country: | Japan |
| Location: | Kaneyama |
| Construction Began: | 1952 |
| Opening: | 1954 |
| Owner: | Tohoku Electric Power |
| Dam Height: | 51.50NaN0 |
| Dam Length: | 2000NaN0 |
| Dam Volume: | 1260000NaN0 |
| Dam Crosses: | Tadami River |
| Spillway Type: | 4 x roller gates |
| Res Capacity Total: | 257690000NaN0 |
| Res Capacity Active: | 134720000NaN0 |
| Res Catchment: | 21420NaN0 |
| Res Surface: | 1790NaN0 |
| Plant Hydraulic Head: | 34.90NaN0 |
| Plant Commission: | August 1954 |
| Plant Turbines: | 3 x 26 MW Kaplan-type |
| Plant Capacity: | 78 MW |
is a gravity dam on the Tadami River in Kaneyama, Fukushima Prefecture, Japan.[1] It was constructed between 1952 and 1954 for the purpose of hydroelectric power generation. It supplies a 78 MW power station with water.[2]