All publicly accessible witness testimonies provided to the Tribunal are listed below. In a small number of cases, witness testimonies were submitted confidentially to the judges.
Written testimonies:
| Witness | Subject | Hearing | Link |
| Haydee Dijkstal, on behalf of the family of Yama Siawash | The murder of Afghan journalist Yama Siawash and the context of (impunity for) violations against the press in Afghanistan | Opening hearing | Haydee Dijkstal |
| Gert Kuiper | The murder of journalist Jan Kuiper, killed together with Koos Koster, Joop Willemsen en Hans ter Laag in El Salvador in 1982 | Opening hearing | Gert Kuiper |
Witness testimonies delivered during the opening hearing on 2 November 2021
| Witness | Subject | Statement | Recording |
| Jeroen Akkermans | The case of cameraman Stan Storimans, murdered in Georgia in 2008 | Jeroen Akkermans | Jeroen Akkermans (YT) |
| Matthew Caruana Galizia | The case of Maltese journalist Daphne Caruana Galizia, murdered in Malta in 2017 | Matthew Caruana Galizia | Matthew Caruana Galizia short video ———————— Full testimony (07:29:00) |
| Hatice Cengiz | The case of Saudi journalist Jamal Khashoggi, murdered in Turkey in 2018 | Hatice Cengiz | Hatice Cengiz (YT) |
| Pavla Holcova | The case of Slovak journalist Ján Kuciak | Pavla Holcova | Pavla Holcova (YT) |
| Karinna Moskalenko | The cases of Russian journalists Anna Politkovskaya, Dmitry Kholodov and Yuri Shchekochikhin | Karinna Moskalenko | Karinna Moskalenko (YT) |
| Raissa Carrillo | Patterns of impunity for crimes against journalists in Colombia | Raissa Carrillo | Full testimony (01:09:10) |
| Christophe Deloire | On the patterns of crimes against journalist and the systemic obstacles to justice for murders of journalists | Christophe Deloire | Christophe Deloire (YT) |
| Nadim Houry | High Level Panel of Legal Experts on Media Freedom – ‘Advice on Promoting More Effective Investigations into Abuses Against Journalists | Nadim Houry | Nadim Houry (YT) |
| Fatou Jagne Senghore | Safety of journalists and obstacles to justice in West-Africa. | Fatou Jagne Senghore | Fatou Jagne Senghore (YT) |
| Joel Simon | Findings of the Committee to Protect Journalists on impunity for murders of journalists | Joel Simon | Joel Simon (YT) |
| Maria Ressa | On systematic attacks on independent journalism in the Philippines | Maria Ressa | Maria Ressa (YT) |
| Caoilfhionn Gallagher | On obstacles to justice, a broad concept of impunity and accountability, and the specific risks to woman journalists | Caoilfhionn Gallagher | Caoilfhionn Gallagher (YT) |