Kyle Olmon is an American children's pop-up book creator and author. He is the author and designer of the New York Times bestselling pop-up book, Castle: Medieval Days and Knights and Baby Signs: A Pop-up Book, which focuses on teaching sign language to preverbal children. Olmon regularly partners with individuals and organizations on pop-up projects and exhibitions, both artistic and commercial. He teaches a course on pop-up design at Pratt Institute and is a board member of the Movable Book Society.