I've kept an informal list over the years, inspired by 8222's aircraft log in their signature - I thought it may be worth us compiling a list.

I'll start my list (going purely off memory and it's not a completed list) and will add to it.
732 Ryanair
733 Various
734 Various
738 Various
737 Max 2 Ryanair
742 KLM
752 Thomas Cook & TUI
763 Britannia

Fokker 100 KLM

Bae ATP BA

Brittain Norman Trislander Aurigney

DC9-32 JAT

DHC 8 400 Flybe

319 BA
320 Various
321 Various

320 neo Various
321 neo Various
*some more stuff to add. Will keep at it*