there are literally thousands of albums with circles on the cover you'll have to be more specific
plenty in fax 49/69
Circle-core
Zachary Adams
Lucas Edwards
This and Dots and Loops
Hudson Ramirez
I like this -core desu
Kevin Bailey
Was going to say this, you could make a whole chart full of FAX albums if you wanted.
Benjamin Watson
Does semicircle-core count?
Aaron Collins
Also
>Bombay Bicycle Club - So Long, See You Tomorrow
>Everything Everything - A Fever Dream
>Pink Floyd - Wish You Were Here (alternate art)
>Modest Mouse - Strangers To Ourselves (more of a decagon but whatever)
>Nick Drake - Pink Moon
>A Perfect Circle - Mer De Noms (ironically not a perfect circle)
>Radiohead - A Moon Shaped Pool
>This Town Needs Guns - 13.0.0.0.0
Dominic Morgan
Fuck, didn't see you already had TTNG there
Cooper Johnson
...
Charles Morgan
Baths - cerulean
Autechre - oversteps
Teebs - ardour
Caribou - Swim
off the top of my head
Brandon Howard
...