Popular author hashtags vary by platform. On Instagram, use #authorsofinstagram, #writersofinstagram, and #bookstagram. For Twitter, try #amwriting, #writetip, and #writerslife. On TikTok, #booktok and #authortok are trending. Pinterest users often search #writinginspiration and #authorlife. Across platforms, genre-specific tags like #romanceauthor or #scifiwriter can help you connect with your target audience. Remember to also include general book-related tags like #bookworm or #booklover to reach potential readers.