UPDATE 1: As the global health situation is only slowly improving, further conferences have moved on to online meetings. All 2021 conferences on this list will be held virtually. - May 6, 2021

AAAI starts on February 2nd and thus a year full of AI conferences. The 35th AAAI is organized by the Association for the Advancement of Artificial Intelligence and is the first of many important conferences this year.

It can be pretty difficult to keep track of the variety of different AI expert meetings. For this reason, we have listed the most important conferences below according to their scientific relevance. The relevance is indicated by the h5 index, which Google Scholar calculated for the publications of each conference, based on H indices of the authors.
Here we list the most important AI conferences in three categories:
- Top Computer Vision conferences
- Top Machine Learning Conferences
- Top AI conferences on specific topics
Top Computer Vision Conferences in 2021

IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
June 19-25, 2021 Location: Virtual h5 index: 299 Website: cvpr2021.thecvf.com Focus: Computer Vision
The Conference on Computer Vision and Pattern Recognition (CVPR) is an annual conference on computer vision and pattern recognition, which is considered one of the most important conferences in its field.

IEEE/CVF International Conference on Computer Vision (ICCV)
October 11-17, 2021 Location: Virtual h5 index: 176 Website: iccv2021.thecvf.com/home Focus: Computer Vision
The International Conference on Computer Vision (ICCV) is a research conference sponsored by the Institute of Electrical and Electronics Engineers (IEEE) and takes place every two years. In addition to CVPR and ECCV, it is considered one of the top conferences in the area of computer vision and is held in years when the ECCV does not take place.
Top Machine Learning Conferences in 2021

International Conference on Learning Representations (ICLR)
May 3-7, 2021 Location: Virtual h5 index: 203 Website: iclr.cc Focus: Deep Learning
ICLR is one of the fastest growing artificial intelligence conferences in the world. The International Conference on Learning Representations (ICLR) is the leading gathering of professionals dedicated to advancing the branch of artificial intelligence known as representation learning, but generally referred to as deep learning.
ICLR is known worldwide for presenting and publishing cutting-edge research on all aspects of deep learning used in artificial intelligence, statistics and data science, as well as in key application areas such as machine vision, computational biology, speech recognition, text comprehension, gaming, and robotics.
The conference is chaired by the “Godfathers of AI” Yann LeCun and Yoshua Bengio.

Neural Information Processing Systems (NeurIPS)
December 6-14, 2021 Location: Virtual h5 index: 198 Website: nips.cc
The Conference and Workshop on Neural Information Processing Systems (abbreviated NeurIPS and formerly NIPS) is a conference for machine learning and computational neuroscience that takes place every December. The conference is currently a two-track event (single-track until 2015), which includes both lectures and poster presentations of reviewed work, followed by parallel workshops.
Past groundbreaking publications include the Faster R-CNN object detector and the paper Attention Is All You Need, which introduced the transformer architecture.

International Conference on Machine Learning (ICML)
July 18-24, 2021 Location: Virtual h5 index: 171 Website: icml.cc
The International Conference on Machine Learning (ICML) is the most important meeting of professionals dedicated to the advancement of the branch of artificial intelligence known as machine learning.
ICML is known worldwide for presenting and publishing cutting-edge research on all aspects of machine learning, which is used in closely related areas such as artificial intelligence, statistics, and data science, as well as in key application areas such as machine vision, computational biology, speech recognition, and robotics.
ICML is one of the fastest growing artificial intelligence conferences in the world. ICML participants come from a wide range of fields, from academic and industrial researchers, entrepreneurs and engineers to students and postdocs.

AAAI Conference on Artificial Intelligence (AAAI)
February 2-9, 2021 Location: Virtual h5 index: 126 Website: aaai.org
The 35th AAAI Conference on Artificial Intelligence (AAAI-21) will have a diverse technical track, student abstracts, poster sessions, invited speakers, tutorials, workshops, and exhibition and competition programs, all selected according to the highest review standards. AAAI-21 welcomes submissions on mainstream AI topics as well as novel cross-cutting work in related areas.
Highlights this year include the Liquid Time-Constant Networks paper by Hasani et al. (news.with.edu).
Top AI conferences on specific topics in 2021

ACM Conference on Human Factors in Computing Systems (CHI)
May 8-13, 2021 Location: Virtual h5 index: 95 Website: chi2021.acm.org Focus: Human Computer Interaction (HCI)
The 2021 ACM CHI Virtual Conference on Human Factors in Computing Systems is the leading international conference for human-computer interaction. CHI — pronounced 'kai' — is a place where researchers and practitioners from around the world come together to discuss the latest developments in interaction technology. CHI is generally regarded as the most prestigious in the field of HCI and attracts thousands of international participants every year.

Meeting of the Association for Computational Linguistics (ACL)
August 1-6, 2021 Location: Virtual h5 index: 135 Website: 2021.aclweb.org Focus: Speech processing
ACL is the leading conference in the field of computational linguistics and covers a wide range of different research areas that deal with computer-based approaches to natural language. It is held together with the 11th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing (AFNLP).

ACM International Conference on Knowledge Discovery and Data Mining (KDD)
August 14-18, 2021 Location: Virtual h5 index: 90 Website: kdd.org/kdd2021 Focus: data mining
The Association for Computing Machinery's Special Interest Group for Knowledge Discovery and Data Mining hosts the most important forum annually for data mining researchers and practitioners from science, industry and administration to exchange ideas, research results and experiences.
AI conferences 2021 ranked
AI conferences 2021 sorted by relevance
Short
conference
site
date
h5 index
CVPRIEEE/CVF Conference on Computer Vision and Pattern RecognitionVirtual19.-25. Jun299iclrInternational Conference on Learning RepresentationsVirtual3-7 May203NeurIPSNeural Information Processing SystemsVirtual6-14 Dec198ICCVIEEE/CVF International Conference on Computer VisionVirtual11.-17.Oct176icmlInternational Conference on Machine LearningVirtual18-24 Jul171eccvEuropean Conference on Computer VisionTel Aviv 2022 TBA144ACLMeeting of the Association for Computational LinguisticsVirtual1.-6. Aug135aaaiAAAI Conference on Artificial IntelligenceVirtual2.-9. Feb126chiACM Conference on Human Factors in Computing SystemsVirtual8-13 May95iJCAIInternational Joint Conference on Artificial IntelligenceVirtual21.-26th Aug95kddACM International Conference on Knowledge Discovery and Data MiningVirtual14-18 Aug90
AI conferences 2021 sorted by date
Short
conference
site
date
h5 index
AAAIAAAI Conference on Artificial IntelligenceVirtual2.-9. FEB126iCLRInternational Conference on Learning RepresentationsVirtual3-7 May203chiACM Conference on Human Factors in Computing SystemsVirtual8-13 May95cvprIEEE/CVF Conference on Computer Vision and Pattern RecognitionVirtual19.-25. Jun299icmlInternational Conference on Machine LearningVirtual18-24 Jul171aclMeeting of the Association for Computational LinguisticsVirtual1.-6. Aug135kddACM International Conference on Knowledge Discovery and Data MiningVirtual14.-18. Aug90iJCAIInternational Joint Conference on Artificial IntelligenceVirtual21.-26th Aug95iccvIEEE/CVF International Conference on Computer VisionVirtual11-17 Oct176NeurIPSNeural Information Processing SystemsVirtual6-14 Dec198EccvEuropean Conference on Computer VisionTel Aviv 2022 TBA144

What now
We have an exciting year ahead of us. At the above-mentioned expert meetings, new scientific breakthroughs are announced that no one has yet suspected. But penetrating conference reports naturally requires a lot of time and expertise. Instead of digging through countless pages, you can use our i.am.ai AI newsletter Stay up to date.
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