This information is part of the Open Calendar, a free service of UIA's subscription-based International Congress Calendar Online (ICCO). It includes only current and future international meetings organized by non-profit organizations working worldwide in all fields of activity. The number of meetings, information contained in their profiles, and search functionality of this free service are limited.

The full-featured International Congress Calendar Online (ICCO) includes over 530,000 meetings (past, current, future), additional information in profiles, sophisticated search functionality and data exports. For more information about ICCO, please click here or contact us.

The UIA is a leading provider of information about international non-profit organizations. The aim of the Open Calendar is to promote the activities of international non-governmental organizations (INGOs) and intergovernmental organizations (IGOs).

Future International Meetings & Congresses

Event Organization Location Start Date End Date


European Association of Neurosurgical Societies (EANS) Hamburg, Germany 2026 2026

World Congress

International Federation of Head and Neck Oncologic Societies (IFHNOS) Brisbane QLD, Australia 2026 2026

Biennial Meeting

European Society for Immunodeficiencies (ESID) Maastricht, Netherlands 2026 2026

World Congress

International Society of Physical and Rehabilitation Medicine (ISPRM) 2026 2026

World Buiatrics Congress (WBC)

World Association for Buiatrics (WAB) Istanbul, Türkiye 2026 2026

International Conference on Lightning Protection (ICLP)

International Conference on Lightning Protection (ICLP) 2026 2026

World Congress of Cognitive and Behavioral Therapies

World Confederation of Cognitive and Behavioural Therapies (WCCBT) San Francisco CA, USA 2026 2026

International Symposium on Field Measurements in Geomechanics

International Symposium on Field Monitoring in Geomechanics (FMGM) Indore, India 2026 2026

International Symposium on Microbial Ecology (ISME)

International Society for Microbial Ecology (ISME) Auckland, New Zealand 2026 2026

Annual Meeting

European Eye Bank Association (EEBA) Heidelberg, Germany 2026 2026

World Foundry Congress

World Foundry Organization (WFO) Türkiye 2026 2026

Triennial Congress

International Society of Developmental and Comparative Immunology (ISDCI) Dalian, China 2026 2026

Quadrennial Congress

International Union for the Study of Social Insects (IUSSI) Freiburg, Germany 2026 2026

International Conference on Neutrino Physics and Astrophysics (NEUTRINO)

International Neutrino Commission Irvine CA, USA 2026 2026

Annual Conference

South East Asian Association for Institutional Research (SEAAIR) Taiwan 2026 2026


European Society of Ophthalmic Plastic and Reconstructive Surgery (ESOPRS) Cascais, Portugal 2026 2026

Associations Round Table - Europe

Union of International Associations (UIA) Lucerne, Switzerland 2026 2026

International Conference

International Society for Intelligent Construction (ISIC) 2026 2026


Deutschsprachige Gesellschaft für Intraokularlinsen-Implantation, Interventionelle und Refraktive Chirurgie (DGII) Cologne, Germany 2026 2026

International Conference of Weighing

International Organization of Legal Metrology / Bureau international des poids et mesures / Comité européen des constructeurs d'instruments de pesage / Japan 2026 2026


International Association of Manichaean Studies (IAMS) Istanbul, Türkiye 2026 2026

International Symposium on Olfaction and Electronic Nose

International Society for Olfaction and Chemical Sensing (ISOCS) 2026 2026


Asian and Oceanic Society of Regional Anaesthesia and Pain Medicine (AOSRA-PM) Seoul, Korea Rep 2026 2026


Société internationale pour l'enseignement commercial (SIEC) Finland 2026 2026

International Conference on Geomorphology

International Association of Geomorphologists (IAG) Christchurch, New Zealand 2026 2026

Annual Meeting

Pacific Association of Pediatric Surgeons (PAPS) Houston TX, USA 2026 2026

World Orchid Conference

World Orchid Conference Trust (WOC Trust) 2026 2026

International Congress of Parasitology

World Federation of Parasitologists (WFP) Canada 2026 2026


European Federation for Non-Destructive Testing (EFNDT) Verona, Italy 2026 2026

Biennial Congress and General Assembly

Asia & Oceania Federation of Obstetrics and Gynaecology (AOFOG) Sydney NSW, Australia 2026 2026

European Conference on Tobacco or Health (ECToH)

Association of European Cancer Leagues (ECL) Milan, Italy 2026 2026

World Congress of Trichoscopy

International Trichoscopy Society Kiev, Ukraine 2026 2026

Bachelier World Congress

Bachelier Finance Society (BFS) 2026 2026

Annual Meeting

Scandinavian Society for Laboratory Animal Science (Scand-LAS) Denmark 2026 2026

World Water Congress & Exhibition

International Water Association (IWA) Glasgow, UK 2026 2026

Annual Meeting

American Economic Association Philadelphia PA, USA 2026/01/03 2026/01/05

APRICOT : Asia Pacific Regional Internet Conference on Operational Technologies

Asia Pacific Network Operators Group (APNOG) 2026/02/16 2026/02/26

Annual Conference

The Forum on Education Abroad (The Forum) Nashville TN, USA 2026/03/11 2026/03/13

Annual Meeting

United States and Canadian Academy of Pathology (USCAP) San Antonio TX, USA 2026/03/21 2026/03/26

Annual Convention

International Studies Association (ISA) Columbus OH, USA 2026/03/22 2026/03/25

International Symposium on Human Factors and Ergonomics in Health Care

Human Factors and Ergonomics Society (HFES) New York NY, USA 2026/03/22 2026/03/25


Schizophrenia International Research Society (SIRS) Florence, Italy 2026/03/25 2026/03/29

General Session

International Association for Dental Research (IADR) San Diego CA, USA 2026/03/25 2026/03/28


Fédération internationale du béton (FIB) Abu Dhabi, United Arab Emirates 2026/03/27 2026/04/03


International Spa Association (ISPA) Las Vegas NV, USA 2026/03/30 2026/04/01

Annual Meeting

International Society for Heart and Lung Transplantation (ISHLT) Toronto ON, Canada 2026/04/22 2026/04/25

Annual Conference

Particle Therapy Co-Operative Group (PTCOG) Caen, France 2026/05 2026/05

Annual Conference

International Institute of Municipal Clerks (IIMC) Reno NV, USA 2026/05/17 2026/05/21

Spring Meeting

Electrochemical Society (ECS) Seattle WA, USA 2026/05/24 2026/05/28

World Congress of Audiology

International Society of Audiology (ISA) Seoul, Korea Rep 2026/05/24 2026/05/27


Terms of Use

UIA allows users to access and make use of the information contained in its Databases for the user’s internal use and evaluation purposes only. A user may not re-package, compile, re-distribute or re-use any or all of the UIA Databases or the data* contained therein without prior permission from the UIA.

Data from database resources may not be extracted or downloaded in bulk using automated scripts or other external software tools not provided within the database resources themselves. If your research project or use of a database resource will involve the extraction of large amounts of text or data from a database resource, please contact us for a customized solution.

UIA reserves the right to block access for abusive use of the Database.

* Data shall mean any data and information available in the Database including but not limited to: raw data, numbers, images, names and contact information, logos, text, keywords, and links.