Regional Associates of the IUCr

• Africa: African Crystallographic Association 
• • PCCr4 Fourth Pan-African Conference on Crystallography, Algeria, TBC 2025
  • PCCr3 Third Pan-African Conference on Crystallography, Nairobi, Kenya, 17-22 January 2023
  • ePCCr Pan-African Conference on Crystallography Online, 15-20 November 2021
  
  
• North America: American Crystallographic Association 
• • ACA2025 75th American Crystallographic Association Annual Meeting, Lombard, IL, USA, 18-23 July 2025
  • ACA2024 74th American Crystallographic Association Annual Meeting, Denver, CO, USA, 7-12 July 2024
  • ACA2023 73rd American Crystallographic Association Annual Meeting, Baltimore, MD, USA, 7-11 July 2023

• Asia and Australasia: Asian Crystallographic Association 
• • AsCA 2025: 19th Conference of the Asian Crystallographic Association, Taipei, Taiwan, co-hosted by Taiwan and Japan 1-5 December 2025
  • AsCA 2024: 18th Conference of the Asian Crystallographic Association, Kuala Lumpur, Malaysia, 1-6 December 2024
  • AsCA 2022: 17th Conference of the Asian Crystallographic Association, Jeju, Republic of Korea, 30 October-2 November 2022

• Europe: European Crystallographic Association
• • 35th European Crystallographic Meeting, Lviv, Poland, 25-29 August 2025
  • 34th European Crystallographic Meeting, Padova, Italy, 26-30 August 2024
  • 33rd European Crystallographic Meeting, Versailles, France, 23-27 August 2022

• Latin America: Latin American Crystallographic Association
• • VII Meeting of the Latin American Crystallographic Association, Fortaleza, Brazil 14-17 October 2025
  • VI Meeting of the Latin American Crystallographic Association, Montevideo, Uruguay, 23-26 September 2024
  • V Meeting of the Latin American Crystallographic Association, San José, Costa Rica, 28-30 November 2022