The rapper denied racism accusations but apologised for “generalising” in remarks about Jewish people.
Campaign Against Antisemitism called on New World Fest organisers to drop Wiley from their line-up and explain how he “came to be invited in the first place.”
A spokesperson said it was “extraordinary that a festival would think it appropriate to try to rehabilitate” Wiley.
“One wonders whether a musician who had targeted another minority would have been feted in this way,” the charity said .
Wiley released his latest album, Anti-Systemic, on Friday. He has an average of close to 2.3 million monthly listeners on Spotify.
New World Fest was approached for comment.