- Christians, Roman Persecution of
- Circular Letter from the Orgburo TsK RK(b) Concerning Relations with the Cossacks
- Code of Crimes against the Peace and Security of Mankind
- Collaboration
- Comics
- Commission on Responsibilities
- Comparative Genocide
- Compensation
- Complicity
- Concentration Camps
- Conspiracy
- Control Council Law No. 10
- Control Council Law No. 10
- Convention Against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment
- Convention on Apartheid
- Convention on the Prevention and Punishment of Genocide
- Convention on the Prevention and Punishment of the Crime of Genocide; December 9, 1948
- Conventions Against Torture and Other Cruel, Inhuman, and Degrading Treatment
- Cossacks
- Crimes Against Humanity
- Croatia, Independent State of
- Crusades
- Dance
- Death March
- Death Squads
- Deception, Perpetrators
- Deception, Victims
- Defenses
- Del Ponte, Carla
- Demjanjuk Trial
