- Young Number Theorists in Bonn: Bonn, 11–15 September 2023
- Development of Iwasawa theory, a conference in honour of the 60th birthday of Masato Kurihara: Keio University, date undecided
- Iwasawa 2023: in memory of John Coates: University of Cambridge, 17–21 July 2023 (registered)
- Arithmetic of L-functions: Madrid, 22–26 May 2023 (registered)
- Summer School on the Arithmetic of the Langlands Program: Bonn, 8–12 May 2023
More events: MathMeetings, numbertheory.org, Kedlaya’s list