Some followers have taken umbrage with her stance, with several saying they have burned her books or plan to do so, and one suggesting she “Should stay out of politics”.
One Twitter user said they would now “Burn your books and movies, too”.
Another said she had “Just burned all their Harry Potter books after being a fan for 17 years”.
Rowling’s riposte? “Guess it’s true what they say: you can lead a girl to books about the rise and fall of an autocrat, but you still can’t make her think.”
It isn’t the first time people have burnt or threatened to burn JK Rowling’s books.
In the late 1990s, not long after the first couple of Harry Potter books were published, some had concerns about the magic and supernatural references, which they believed went against Bible teachings.
A pile of Potter books was set alight in New Mexico in December 2001 by a religious group who claimed Harry was “The devil”.
A preacher in Maine in the US marked The Chamber of Secrets’ release by holding a party in which he shredded copies of Potter books.