Wakatai jisshu (The Ten Styles of Japanese Poetry) (和歌体十種)

"Wakatai jisshu" (The Ten Styles of Japanese Poetry) is a treatise on waka poetry written by MIBU no Tadamine, one of the compilers of Kokin Wakashu (A Collection of Ancient and Modern Japanese Poetry).

In its preface written in kanbun (Sino-Japanese), styles of waka are classified into ten: the "koka" (old poem) style, the "shinmyo" (mysterious) style, the "jiki" (direct) style, the "yojo" (suggestiveness) style, the "shashi" (reflecting thoughts) style, the "kojo" (elevated emotion) style, the "kiryo" (good-looking) style, the "hikyo" (witty) style, the "kaen" (splendid fascination) style, and the "ryoho" (paronomasia) style.