AstroSpeakers.Org have kindly let us publicise their page to help Societies find Speakers for their meetings.

Their website can be found at https://astrospeakers.org/index.html (this will open a new page)

A preview can be seen below

There are other Sources as well

The RAS have the following

https://ras.ac.uk/education-and-careers/for-schools-and-teachers/1834-list-of-school-speakers

https://ras.ac.uk/education-and-careers/outreach-map

Speakernet is has a wide range of topics including Astronomy, will require a search.

https://speakernet.co.uk/