| Full Name: | Diadenis Luna Castellano |
| Birth Place: | Santiago de Cuba, Cuba |
| Country: | Cuba |
| Weight Class: | –72 kg, –78 kg |
| Worlds Rank: | 1 |
| Worlds Year: | 1995 |
| Worlds Weight: | Women's 72 kg |
| Regionals Type: | AM |
| Regionals Rank: | 1 |
| Regionals Year: | 1997 |
| Regionals Year2: | 1998 |
| Olympics Rank: | 3 |
| Olympics Year: | 1996 |
| Olympics Weight: | Women's 72 kg |
| Updated: | 4 June 2023 |
Diadenis Luna Castellano (born 11 September 1975) is a Cuban judoka. At the 1996 Summer Olympics she won a bronze medal in the women's Half Heavyweight (72 kg) category, together with Ylenia Scapin.[1]