| Mr | Haymanot | Tewabe | Charles Darwin University | Australia | |
| Prof Dr | Hassan Kamil | Jassim | University of Thi-Qar | Iraq | |
| Mr | Hassan | Ali | Polytechnic Institute of Viana do Castelo, Portugal | Portugal | |
| Dr | Hasan | Al-Abedi | Missouri University of Science and Technology | United States | |
| Dr | HARISHCHANDER | | AMRITA VISHWA VIDYAPEETHAM | India | |
| Dr | Hardik | Varu | Dr Subhash University Junagadh | India | |
| Assist Prof Dr | Haoxiang | Zhang | 中国科学院大连化学物理研究所 | China | |
| Prof Dr | Hannu | Hänninen | Aalto University | Finland | |
| Mr | Hanibal | Othman | Inorganic chemistry | Germany | |
| Assoc Prof Dr | Hani Nasser | Abdelhamid | Imam Mohammad Ibn Saud Islamic University (IMSIU) | Saudi Arabia | |
| Assoc Prof Dr | Hani Khalil | Ismail | Koya University | Iraq | |
| Dr | Han | Jie | Shaanxi University of Technology | China | |
| Dr | Hamid Reza | Akbari-Hasanjani | Damghan University | Iran | |
| Assoc Prof Dr | Hamed | Najafi-Ashtisni | Velayat University | Iran | |
| Mr | Halil İbrahim | EFKERE | Gazi University | Turkey | |
| Dr | haishuai | cui | Hunan Institute of Engineering | China | |
| Assist Prof Dr | Haider | AlMashhadani | Baghdad University | Iraq | |
| Dr | Hadjer | FENNOUH | USTHB | Algeria | |
| Dr | Hadi | Kasani | University of Tabriz | Iran | |
| Choose | gyywserdss | ytgoloopxz | zfwsmtimkr | Choose | |