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 550,000 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

2025/09/22 - 2026/09/26

Forum

Foro Latinoamericano de Prácticos (FLAPRAC)
Lima, Peru
2026/04/21 - 2026/04/26

Cruise360 Conference

Cruise Lines International Association (CLIA)
Fort Lauderdale FL, USA
2026/04/22 - 2026/04/25

Annual Meeting

Asian Pacific Association for the Study of the Liver (APASL)
Istanbul, Türkiye
2026/04/22 - 2026/04/25

Annual Meeting

International Society for Heart and Lung Transplantation (ISHLT)
Toronto ON, Canada
2026/04/23 - 2026/04/25

Annual Meeting

International Society for Autism Research (INSAR)
Prague, Czechia
2026/04/23 - 2026/04/26

World Congress on Osteoarthritis

Osteoarthritis Research Society International (OARSI)
Palm Beach FL, USA
2026/04/23 - 2026/04/25

Session

World Medical Association (WMA)
Belgrade, Serbia
2026/04/23 - 2026/04/25

International Conference on the Biology, Chemistry, and Therapeutic Applications of Nitric Oxide

Nitric Oxide Society (NO)
Austin TX, USA
2026/04/23 - 2026/04/26

Global Breast Cancer Conference (GBCC)

Global Breast Cancer Conference (GBCC)
Seoul, Korea Rep
2026/04/23 - 2026/04/25

International Osteology Symposium

Osteology Foundation
Vienna, Austria
2026/04/23 - 2026/04/25

Mid-Term Board Meeting

World Association of Detectives (WAD)
Casablanca, Morocco
2026/04/23 - 2026/04/25

Leadership Conference

Educational Collaborative for International Schools (ECIS)
Lisbon, Portugal
2026/04/23 - 2026/04/25

International Conference on Future Information Technology (FutureTech)

International Conference on Future Information Technology (FutureTech)
Qingdao, China
2026/04/23 - 2026/04/25

Adriatic Congress of Pharmacoeconomics and Outcomes Research

Adriatic Congress of Pharmacoeconomics and Outcomes Research
Brijuni Is, Croatia
2026/04/23 - 2026/04/27

Annual Congress

Inter Nordic Guide Club (IGC)
Trondheim, Norway
2026/04/24 - 2026/04/28

Congress

World Council of Enterostomal Therapists (WCET)
Vancouver BC, Canada
2026/04/24 - 2026/04/25

International Passive House Conference

International Passive House Association (iPHA)
Essen, Germany
2026/04/24 - 2026/04/25

Finance and Productivity Conference

Competitiveness Research Network (CompNet)
Tokyo, Japan
2026/04/24 - 2026/04/26

Meeting

Global Initiative for Children's Surgery (GICS)
Bogota, Colombia
2026/04/24 - 2026/04/27

World Congress on Asthma, COPD and Respiratory Allergy

World Immunopathology Organization (WIPO)
Paris, France
2026/04/24 - 2026/04/27

Congress

European Calcified Tissue Society (ECTS)
Girona, Spain
2026/04/24 - 2026/04/25

Annual Congress

European Contact Lens Society of Ophthalmologists (ECLSO)
Vienna, Austria
2026/04/24 - 2026/04/26

International Conference on Intelligent Systems, Metaheuristics & Swarm Intelligence (ISMSI)

International Conference on Intelligent Systems, Metaheuristics & Swarm Intelligence (ISMSI)
Cebu City, Philippines
2026/04/24 - 2026/04/25

Strategic Conference

European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)
Prague, Czechia
2026/04/24 - 2026/04/25

Young BPW Symposium

BPW Europe - European Region of BPW International
Munich, Germany
2026/04/24 - 2026/04/25

Presidents Meeting

BPW Europe - European Region of BPW International
Munich, Germany
2026/04/24 - 2026/04/26

Biennial Congress

ASEAN Society of Colorectal Surgeons (ASCS)
Penang, Malaysia
2026/04/24 - 2026/04/27

Nordic Textile Meeting

Nordic Textile Art (NTA)
Stockholm,Tallinn, Estonia,Sweden
2026/04/25 - 2026/04/30

Technical Conference (TechCon)

Society of Vacuum Coaters (SVC)
Long Beach CA, USA
2026/04/25 - 2026/04/29

Congress

Confederation of European Otorhinolaryngology - Head and Neck Surgery (Confederation of European ORL-HNS)
Gothenburg, Sweden
2026/04/25 - 2026/04/30

UN Crime Congress on Crime Prevention and Criminal Justice

United Nations Commission on Crime Prevention and Criminal Justice / United Nations Office on Drugs and Crime /
Abu Dhabi, United Arab Emirates
2026/04/25 - 2026/04/29

International Congress on Catalysis for Biorefineries

International Congress on Catalysis for Biorefineries (Catbior)
Dalian, China
2026/04/25 - 2026/04/26

Virtual Technologists Symposium

International Society for Clinical Densitometry (ISCD)
2026/04/26 - 2026/04/30

WPC Energy Congress

WPC Energy
Riyadh, Saudi Arabia
2026/04/26 - 2026/04/28

European Congress of Trauma and Emergency Surgery (ECTES)

European Society for Trauma and Emergency Surgery (ESTES)
Stockholm, Sweden
2026/04/26 - 2026/04/28

Annual International Conference

Licensing Executives Society International (LESI)
Dublin, Ireland
2026/04/26 - 2026/04/30

International Training Conference

International Association of Arson Investigators (IAAI)
St Louis MO, USA
2026/04/26 - 2026/05/02

Triennial World Conference

Associated Country Women of the World (ACWW)
Ottawa ON, Canada
2026/04/26 - 2026/04/29

Annual Conference

European Association of History Educators (EUROCLIO)
Brussels, Belgium
2026/04/26 - 2026/04/30

Annual Conference

Cray User Group (CUG)
Nice, France
2026/04/26 - 2026/04/28

World Trauma Congress

World Coalition for Trauma Care (WCTC)
Stockholm, Sweden
2026/04/27 - 2026/04/30

Women Deliver Conference

Women Deliver
Melbourne VIC, Australia
2026/04/27 - 2026/05/01

World Congress on Environmental Health

International Federation of Environmental Health (IFEH)
Dubrovnik, Croatia
2026/04/27 - 2026/04/30

Liaison Delegates Meeting

World Business Council for Sustainable Development (WBCSD)
Montreux, Switzerland
2026/04/27 - 2026/04/29

European Nursing Congress

European Nursing Congress (ENC)
Paris, France
2026/04/27 - 2026/04/29

Annual Conference

European Scientific Association for Material Forming (ESAFORM)
Thessaloniki, Greece
2026/04/27 - 2026/05/01

Conference

Standing Conference of Eastern, Central and Southern African Librarians (SCECSAL)
Livingstone, Zambia
2026/04/27 - 2026/04/29

World Retail Congress

World Retail Congress
Berlin, Germany
2026/04/27 - 2026/04/30

EPIC Annual General Meeting

European Photonics Industry Consortium (EPIC)
Juan-les-Pins, France
2026/04/27 - 2026/04/29

Comment stimuler le déploiement et la concurrence par le partage d’infrastructure et améliorer la qualité de service des nouveaux réseaux télécom ?

Réseau francophone de la régulation des télécommunications (FRATEL)
Kinshasa, Congo DR
2026/04/27 - 2026/04/29

Members Meeting

The Marine Ingredients Organisation (IFFO)
Madrid, Spain
2026/04/27 - 2026/05/01

International Conference on Antiviral Research (ICAR)

International Society for Antiviral Research (ISAR)
Prague, Czechia
2026/04/27 - 2026/04/28

Annual IBA Communications and Competition Law Conference

International Bar Association (IBA)
Singapore, Singapore
2026/04/28 - 2026/05/01

Scientific Conference

African Society of Dermatology and Venerology (ASDV)
Addis Ababa, Ethiopia
2026/04/28 - 2026/04/29

GlassPrint Conference

European Specialist Printing Manufacturers Associations (ESMA)
Düsseldorf, Germany
2026/04/28 - 2026/04/30

European Academic Conference on Internal Audit and Corporate Governance

European Academic Conference on Internal Audit and Corporate Governance (IACG)
Stellenbosch, South Africa
2026/04/28 - 2026/05/01

Geospatial World Forum (GWF)

Geospatial World Forum (GWF)
Amsterdam, Netherlands
2026/04/28 - 2026/04/30

Global Health Policy Forum

Partnership for Quality Medical Donations (PQMD)
New York NY, USA
2026/04/28 - 2026/04/30

Workshop

European Platform on preparedness for nuclear and radiological emergency response and recovery (NERIS)
Fontenay-aux-Roses, France
2026/04/28 - 2026/04/29

MACH X

MACH Alliance
Toronto ON, Canada
2026/04/28 - 2026/04/30

Africa Regional Forum on Sustainable Development (RFSD)

United Nations Economic Commission for Africa (ECA)
Addis Ababa, Ethiopia
2026/04/28 - 2026/04/30

ESPD Congress

European Society for Pediatric Dermatology (ESPD)
Padua, Italy
2026/04/28 - 2026/04/29

International Plasma Protein Congress (IPPC)

Plasma Protein Therapeutics Association (PPTA)
Rome, Italy
2026/04/28 - 2026/04/29

Annual General Meeting

European Forum of Farm Animal Breeders (EFFAB)
Rennes, France
2026/04/28 - 2026/04/30

European Navigation Conference (ENC)

European Group of the Institutes of Navigation (EUGIN)
Vienna, Austria
2026/04/28 - 2026/04/29

Energy Opportunities Conference

American Association of Petroleum Geologists (AAPG)
Rio de Janeiro, Brazil
2026/04/29 - 2026/05/02

International Conference on Paediatric Acquired Brain Injury

International Paediatric Brain Injury Society (IPBIS)
Calgary AB, Canada
2026/04/29 - 2026/05/01

Annual Meeting

Pan American Society for Clinical Virology (PASCV)
Clearwater FL, USA
2026/04/29 - 2026/05/02

Annual Symposium

Network for the Advancement of Patient Blood Management, Haemostasis and Thrombosis (NATA)
Bilbao, Spain
2026/04/29 - 2026/05/01

Half-Yearly Meeting

International Association of University Presidents (IAUP)
Vilnius, Lithuania
2026/04/30 - 2026/05/03

International Pigment Cell Conference (IPCC)

International Federation of Pigment Cell Societies (IFPCS)
New Delhi, India
2026/04/30 - 2026/05/03

Conference

Australasian Lymphology Association (ALA)
Cairns QLD, Australia
2026/04/30 - 2026/04/30

Annual Conference

European Crafts Alliance (ECA)
Florence, Italy
2026/04/30 - 2026/05/03

Annual Scientific Congress

Royal Australasian College of Surgeons (RACS)
Perth WA, Australia
2026/05 - 2026/05

World Congress

International Society for Immunology of Reproduction (ISIR)
Chicago IL, USA
2026/05 - 2026/05

Annual Meeting

Global Research Council (GRC)
Bangkok, Thailand
2026/05 - 2026/05

Meeting

Asian Society for Psoriasis (ASP)
Xian, China
2026/05 - 2026/05

Saint Petersburg International Conference on Integrated Navigation Systems

Saint Petersburg International Conference on Integrated Navigation Systems
St Petersburg, Russia
2026/05 - 2026/05

General Assembly

Fondo para el Desarrollo de los Pueblos Indigenas de América Latina y el Caribe (FILAC)
, Brazil
2026/05 - 2026/05

General Meeting

European Metropolitan Transport Authorities (EMTA)
Stockholm, Sweden
2026/05 - 2026/05

Annual General Meeting

The European Travel Agents' and Tour Operators' Associations (ECTAA)
Prague, Czechia
2026/05 - 2026/05

MAG POC Meeting

Centre for Security Cooperation (RACVIAC)
2026/05/01 - 2026/05/03

Annual Meeting

International Anesthesia Research Society (IARS)
Montréal QC, Canada
2026/05/01 - 2026/05/02

International D-Foot Conference

D-Foot International
, Maldives
2026/05/01 - 2026/05/03

Annual Conference

Sarcoma Patient Advocacy Global Network (SPAGN)
Stockholm, Sweden
2026/05/01 - 2026/05/04

International Montessori Congress

Association Montessori Internationale (AMI)
Mérida, Mexico
2026/05/02 - 2026/05/03

Arcane School Conference

Lucis Trust (LT)
New York NY, USA
2026/05/03 - 2026/05/07

Annual Meeting

Association for Research in Vision and Ophthalmology (ARVO)
Denver CO, USA
2026/05/03 - 2026/05/05

Conference of Speakers of the European Union Parliaments

Conference of Speakers of the European Union Parliaments / European Parliament / European Union /
Copenhagen, Denmark
2026/05/03 - 2026/05/06

Carbohydrate Bioengineering Meeting (CBM)

Carbohydrate Bioengineering Meeting (CBM)
Helsingør, Denmark
2026/05/03 - 2026/05/06

Global Scrum Gathering

Scrum Alliance
Vancouver BC, Canada
2026/05/03 - 2026/05/06

Eilat International Conference on New Antiepileptic Drugs

Eilat Conference on New Antiepileptic Drugs
Madrid, Spain
2026/05/03 - 2026/05/07

International Conference on High Temperature Capillarity (HTC)

International Conference on High Temperature Capillarity (HTC)
Cologne, Germany
2026/05/03 - 2026/05/06

Conference

Medical Association of South East Asian Nations (MASEAN)
Panglao Is, Philippines
2026/05/03 - 2026/05/06

International Conference

European Transcultural Nursing Association (ETNA)
Limassol, Cyprus
2026/05/03 - 2026/05/06

Annual Meeting

Asian Development Bank (ADB)
Samarkand, Uzbekistan
2026/05/03 - 2026/05/08

General Assembly

European Geosciences Union (EGU)
Vienna, Austria
2026/05/03 - 2026/05/08

SOLAS Session

Surface Ocean - Lower Atmosphere Study (SOLAS)
Vienna, Austria
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