Here is a list of interesting conferences (with a focus on IO and theory). They are ordered by the submission deadline.

Conference Dates Location Submission
8th Workshop on Relational Contracts Aug 5 - Aug 6 Tokyo 31.03.22
CRESSE 2022 July 1 - July 3 Crete 01.04.22
Stony Brook International Conference on Game Theory July 18 - July 21 Stony Brook 15.04.22
2022 Conference on Mechanism and Institution Design July 11 - July 15 Singapore 15.04.22
Contests: Theory and Evidence June 20 - June 21 Reading 15.04.22

Past submission deadline:

Conference Dates Location Submission
Conference on Economic Design June 9 - June 11 Padua 15.03.22
Oligo Workshop June 3 - June 5 Nicosia 15.03.22
EARIE 2022 Aug 25 - Aug 27 Vienna 15.03.22
ZEW Conference on the Economics of ICT July 6 - July 8 Mannheim 10.03.22
Midwest Economic Theory Apr 29 - May 2 West Lafayette 05.03.22
Verein für Socialpolitik 2022 Sep 11 - Sep 14 Basel 01.03.22
Swiss Society of Economics and Statistics June 23 - June 24 Fribourg 15.02.22
EEA-ESEM 2022 Aug 22 - Aug 26 Milan 15.02.22
IIOC 2022 May 13 - May 15 Boston 13.02.22
EC'22 July 11 - July 15 Boulder 10.02.22
Society for Institutional and Organizational Economics June 23 - June 25 Toronto 30.01.22
Public Economic Theory 2022 June 08 - June 10 Marseille 24.01.22
MaCCI Annual Conference Mar 24 - Mar 25 Mannheim 20.11.21
Digital Economics Conference Jan 13 - Jan 14 Toulouse NA
SAEe 2021 Dec 16 - Dec 18 Barcelona 11.07.21
2021 Asia Pacific Industrial Organization Conference Dec 13 - Dec 14 Online 22.10.21
2021 ASSET Oct 20 - Oct 22 Marseille NA
Stony Brook International Conference on Game Theory July 5 - July 8 Online TBA
Contests: Theory and Evidence Aug 12 - Aug 13 Berlin 03.05.21
CRESSE TBA TBA 30.04.21
EARIE Aug 27 - Aug 29 Online 15.03.21
Workshop on Relational Contracts Aug 20 - Aug 21 Tokyo 14.03.21
ZEW Conference on the Economics of ICT June 10 - June 11 Online 01.03.21
Verein für Socialpolitik Sep 26 - Sep 29 Regensburg 01.03.21
IIOC Apr 30 - May 2 Online 01.03.21
Paris Conference on Digital Economics Apr 8 - Apr 9 Online 28.02.21
EEA-ESEM Aug 23 - Aug 27 Online 15.02.21