There are a number of universities and other organisations that run regular seminars on machine learning and artificial intelligence. Links to their seminar pages are listed below in alphabetical order.

AI4EU
AI Doctoral Academy (AIDA)
Alan Turing Institute
C3.ai Digital Transformation Institute
Cambridge Centre for AI in Medicine
Carnegie Mellon University (artificial intelligence)
Centre for Ethics, University of Toronto
Chalmers University of Technology AI
Climate Change AI
Colorado University, Boulder
Control Meets Learning
Copenhagen University AI
Cornell Learning Machines
Cornell Machine Learning in Medicine
DIGHUM (Digital Humanism)
EPFL Center for Intelligent Systems
European Centre for Medium-Range Weather Forecasts
Finnish Centre for Artificial Intelligence (machine learning)
Harvard ML Theory
I can’t believe it’s not better
Information Commissioner’s Office
JMU (artificial intelligence and machine learning)
Lanfrica Talks
Linköping University
Lisbon University (maths, physics and machine learning)
London School of Economics and Political Science (data science)
Machine Learning NeEDS Mathematical Optimization
Manchester University Advances in Data Science
Maryland University (reinforcement learning)
Michigan University (AI)
Michigan University (computational medicine and bioinformatics)
Minnesota University (data science)
National Energy Research Scientific Computing Center (NERSC)
New York University (data science)
Norwegian University of Science and Technology
One World Signal Processing
Oslo University, RITMO
Oxford University (machine learning)
Penn State (AI for social impact)
Polish Academy of Sciences (reinforcement learning)
Princeton AI Club
Raspberry Pi
RL theory
Robotics Today
San Francisco University (data science)
School of AI, The Netherlands
Sheffield University (machine learning)
Stanford MLSys
Tuerbingen University (machine learning for science)
Trustworthy ML
University College London DeepMind/ELLIS
University of California, Irvine (AI/ML)
University of Texas at Austin (foundations of data science)
West Virginia University (robotics)