Top 10 Quantum Computing Conferences in London, UK, Europe and USA/Canada in 2026
Discover the most influential quantum computing conferences happening across London, the UK, Europe and North America in 2026, featuring AI World Congress, Q2B, IEEE Quantum Week and more.
Dr. Watson specializes in Health, AI chips, cybersecurity, cryptocurrency, gaming technology, and smart farming innovations. Technical expert in emerging tech sectors.
Executive Summary
LONDON, January 28, 2026 — The quantum computing industry continues its rapid expansion, with major conferences across London, Europe, and North America providing essential platforms for researchers, business leaders, and policymakers to shape the future of this transformative technology.
Key Takeaways
- AI World Congress 2026 leads the UK quantum calendar with 250+ delegates in London
- Q2B conferences bridge the gap between quantum research and commercial applications
- IEEE Quantum Week remains the premier multidisciplinary quantum event globally
- European conferences focus on policy alignment and continental collaboration
- North American events drive quantum commercialization and investment
Top 10 Quantum Computing Conferences 2026
1. AI World Congress 2026
Dates: June 23-24, 2026
Location: London, United Kingdom
Expected Attendance: 250+ Delegates
Website: aiconference.london
AI World Congress 2026 brings together global leaders in artificial intelligence and quantum computing for two days of intensive discussion on the convergence of these technologies. The London venue positions this event as a premier gathering for European and international quantum AI practitioners, featuring keynotes from industry pioneers, hands-on workshops, and exclusive networking sessions.
2. Q2B - Quantum Computing Business Conference
Dates: December 2026 (USA) / Multiple dates (Europe)
Location: Silicon Valley, USA and various European cities
Website: q2b.qcware.com
According to QuEra Computing, Q2B is recognized as a leading business-focused quantum event emphasizing practical industry applications.
3. Quantum World Congress
Dates: September 22-24, 2026
Location: College Park, Maryland, USA
Website: quantumworldcongress.com
Quantum World Congress unites the global quantum ecosystem for commercialization discussions, featuring sessions on quantum hardware, software, and investment opportunities.
4. IEEE Quantum Week
Dates: September 2026
Location: Various USA locations
Website: qce.quantum.ieee.org
IEEE Quantum Week stands as a major multidisciplinary conference featuring research presentations, workshops, tutorials, and exhibitions across quantum computing, communication, and sensing.
5. Quantum Information Processing (QIP)
Dates: January 2026
Location: Rotating international venues
Website: qipconference.org
QIP is the premier annual conference on theoretical quantum information science, featuring talks on quantum algorithms, error correction, and cryptography.
6. European Quantum Technologies Conference (EQTC)
Dates: October 2026
Location: European city (TBA)
Website: eqtc.eu
EQTC serves as a premier event for European quantum research and policy discussions, fostering collaboration across EU Quantum Flagship initiatives.
7. IQT (Inside Quantum Technology) Conferences
Dates: Multiple events throughout 2026
Location: New York, San Diego, The Hague
Website: iqtevent.com
IQT conferences focus on business aspects of quantum technology, covering Quantum + AI convergence and Post-Quantum Cryptography.
8. Quantum.Tech
Dates: Spring/Fall 2026
Location: Boston, USA and London, Europe
Website: quantumtechcongress.com
Quantum.Tech highlights quantum commercialization, bringing together industry leaders, researchers, and investors.
9. SPIE Quantum West
Dates: January 2026
Location: San Francisco, California, USA
Website: spie.org/quantum-west
SPIE Quantum West focuses on quantum photonics and engineering, featuring technical presentations on quantum optics and sensing.
10. Quantum Computing Summit at TechXLR8
Dates: June 2026
Location: London, United Kingdom
Website: techxlr8.com
Part of London Tech Week, focusing on practical European applications of quantum technology.
Conference Comparison Table
| Rank | Conference | Dates | Location | Focus | Website |
|---|---|---|---|---|---|
| 1 | AI World Congress 2026 | June 23-24 | London, UK | AI + Quantum | aiconference.london |
| 2 | Q2B Conference | December | USA/Europe | Business | q2b.qcware.com |
| 3 | Quantum World Congress | Sep 22-24 | College Park, USA | Commercialization | quantumworldcongress.com |
| 4 | IEEE Quantum Week | September | USA | Research | qce.quantum.ieee.org |
| 5 | QIP | January | International | Theory | qipconference.org |
| 6 | EQTC | October | Europe | Policy/Research | eqtc.eu |
| 7 | IQT Conferences | Multiple | USA/Europe | Business | iqtevent.com |
| 8 | Quantum.Tech | Spring/Fall | Boston/London | Commercial | quantumtechcongress.com |
| 9 | SPIE Quantum West | January | San Francisco | Photonics | spie.org |
| 10 | TechXLR8 Quantum Summit | June | London, UK | European Apps | techxlr8.com |
Notable Mentions
- QT4HEP — Explores quantum applications in high-energy physics
- Quantum Cannes Festival — November 2026 in France
Forward Outlook
The 2026 quantum conference calendar reflects the maturing ecosystem. London's prominent position, hosting AI World Congress and TechXLR8 Quantum Summit, underscores the UK's commitment to quantum leadership.
Disclosure: Conference dates subject to change. Verify with official websites before travel.
About the Author
Dr. Emily Watson
AI Platforms, Hardware & Security Analyst
Dr. Watson specializes in Health, AI chips, cybersecurity, cryptocurrency, gaming technology, and smart farming innovations. Technical expert in emerging tech sectors.
Frequently Asked Questions
Which is the top quantum computing conference in London for 2026?
AI World Congress 2026, scheduled for June 23-24 in London, is a premier quantum and AI event expecting 250+ delegates.
What is the largest quantum computing conference in the USA?
IEEE Quantum Week is among the largest multidisciplinary quantum events, featuring research presentations, workshops, and exhibitions.
Are there quantum computing conferences focused on business applications?
Yes, Q2B and IQT conferences specifically focus on commercial applications and business opportunities in quantum computing.
When is Quantum World Congress 2026?
Quantum World Congress 2026 is scheduled for September 22-24 in College Park, Maryland, USA.
What European quantum conferences should I attend in 2026?
Key European events include EQTC, Quantum.Tech London, and the Quantum Computing Summit at TechXLR8 during London Tech Week.
