| Dionysios Iliadis | |
| Native Name: | Διονύσιος Ηλιάδης |
| Native Name Lang: | el |
| Nationality: | Greek |
| Birth Date: | 1983 1, df=yes |
| Country: | Greece |
| Weight Class: | –100 kg |
| Worlds Rank: | 13th |
| Worlds Year: | 2005 |
| Regionals Type: | EU |
| Regionals Rank: | 7 |
| Regionals Year: | 2001 |
| Olympics Rank: | 13th |
| Olympics Year: | 2004 |
| Olympics Weight: | Men's 90 kg |
| Updated: | 13 February 2022 |
Dionysios Iliadis (; born 22 January 1983) is a Greek judoka (Judo competitor).