CBR ranks the 10 Best DC Comics Stories of the 80s. They've got some great ones but not sure I agree with them all.
https://www.cbr.com/dc-best-80s-stories/
10. Animal Man - "The Coyote Gospel"
09. The Sandman - "Preludes And Nocturnes"
08. New Teen Titans - "The Judas Contract"
07. Legion Of Superheroes - "The Great Darkness Saga"
06. Batman - "The Dark Knight Returns"
05. Green Arrow - "The Longbow Hunters"
04. "V For Vendetta"
03. Swamp Thing - "American Gothic"
02. "Crisis On Infinite Earths"
01. "Watchmen"