Participants
| Hans Hoffmann | Germany |
| Lucien Hoffmann | Luxembourg |
| Mirabbos Hojamberdiev | Uzbekistan |
| Helge Holden | Norway |
| Ildikó Holzer | Hungary |
| Zoltán Homonnay | Hungary |
| Oleksandra Horchynska | Ukraine |
| Veronika Hornyák | Hungary |
| Akos Horváth | Hungary |
| Nikoletta Horvath | Hungary |
| László Horváth | Hungary |
| A N M Zakir Hossain | Bangladesh |
| Eric Howard | United States of America |
| Kristijan Hristovski | North Macedonia, Republic of |
| Ferenc Hudecz | Hungary |
| Colin Humphris | United Kingdom |
| László Hunyadi | Hungary |
| Martin Hynes | Ireland |
| Sonia Ibrahim | Syrian Arab Republic (Syria) |
| Guliyev Ibrahim | Azerbaijan |
| Etinosa Igbinosa | Nigeria |
| Charles Ikem | Nigeria |
| Annamaria Inzelt | Hungary |
| Susana Irles | Spain |
| Samira Islam | Saudi Arabia |
| Abu Bakar Md. Ismail | Bangladesh |
| Shedya Ismail | Ethiopia |