Here is a small list of conferences I put together for 2023, as I was looking for speaking opportunities, with a particular focus on Europe and America. Hope this helps!
UK GovCamp 2023
Saturday 21 January 2023. Unconference, CFP on the day.
https://www.ukgovcamp.com/2022/10/05/were-back/
DjangoDay CPH 2023
Autumn 2023. No CFP currently.
PyCon US 2023
Salt Lake City, Utah - April 19, 2023 - April 27, 2023.
CityJS London
10-12th April 2023.
https://london.cityjsconf.org/
Python Web Conf
March 13 - 17 2023. Online.
https://2023.pythonwebconf.com/
MiXiT 2023
Lyon - April 13th & 14th, 2023
PyCon Italy 2023
Florence, 25-28 May 2023
Pixel Pioneers 2023
16 June 2023, Bristol. No CFP.
HalfStack Newquay 2023
Friday 23rd of June 2023, 10am - Late. Newquay (/ˈnjuːki/) (UK). CFP under way, no deadline.
Creative JavaScript and web development.
https://halfstackconf.com/newquay/
CanUX 2023
Nov 1-4 in Ottawa, Canada.
#a11yTO Conf
Downtown Toronto October 18th-21st
All Things Open 2023
October 15 – 17, Raleigh, NC.
https://www.allthingsopen.org/
DjangoCon US 2023
Durham, North Carolina – October 16-20, 2023.
PyCon UK 2023
Friday 22nd September to Monday 25th September 2023. No CFP announced yet.
DjangoCon EU 2023
29th May - 2nd June 2023