What are group of fans called?

A group of fans is often referred to as a "fandom." This term encompasses the community of enthusiasts who share a common interest in a particular genre, series, or celebrity. Fans within a fandom may engage in discussions, share fan art, or participate in events related to their shared passion. Sometimes, specific fandoms have unique names based on the content they support, such as "Whovians" for fans of Doctor Who.