Anonymous or Anonymus may also refer to:

• Anonymity, when a personal identity is not known to the public
• Anonymous work, a work of art or literature that has an unnamed or unknown creator or author
• Anonymous (group), the collective name of loosely-affiliated individuals that participate in hacktivism
• "Anonymous" (song) a 2007 sing by Bobby Valentino
• Anonymus Valesianus, two writers of Byzantine chronicles, of the 6th century