| Competition: | Gamma Ethniki |
| Season: | 1982–83 |
| Promoted: | Edessaikos |
| Prevseason: | 1981–82 |
| Nextseason: | 1983–84 |
The 1982–83 Gamma Ethniki was the first unofficial season since the league replaced the C National Amateur Division. Edessaikos was crowned champion, thus winning promotion to Beta Ethniki.[1]
Panarkadikos, Preveza, Olympiakos Loutraki and Panargiakos were relegated to Delta Ethniki.[1]