| Country: | Greece |
| Native Name: | Εθνική Δημοκρατική Ένωσις |
| National Democratic Union | |
| Founder: | Petros Garoufalias |
| Foundation: | 1974 |
| Dissolved: | 1977 |
| Position: | Right-wing to far-right |
National Democratic Union (Greek, Modern (1453-);: Εθνική Δημοκρατική Ένωσις, ΕΔΕ) was a Greek political party. The party was founded in 1974 by Petros Garoufalias, a former member of the Centre Union. The party was founded in order to represent the royalists and supporters of the recently deposed junta.[1]
It participated in the 1974 Greek legislative election and gained 1.08%. After the electoral failure, the party dissolved.