See Aozora Bunko
- Jashuumon by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Jazz heno aichaku by Minoru Tachibana (b.1933)
- Jibun' no koto by Shutaro Nanbu (October 12,1892 - June 22,1936)
- Jibundake no sekai by Jun Tsuji (October 4,1884 - November 24,1944)
- Jidaiheisoku no genjou by Takuboku Ishikawa (February 20,1886 - April 13,1912)
- Jiden shouroku sofu no shouzou by Ichiro Shimada
- Jiga bachi by Kensaku Shimaki (September 7,1903 - August 17,1945)
- Jiga no shinkenkyuu by Konan Naito (July 18,1866 - June 26,1934)
- Jigokuhen by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Jigokuhen by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Jihi by Kanoko Okamoto (March 1,1889 - February 18,1939)
- Jiisan baasan by Ogai Mori (February 17,1862 - July 9,1922)
- Jiji zappyou nisan by Kanzo Uchimura (March 26,1861 - March 28,1930)
- Jijo den by Sakae Osugi (January 17,1885 - September 16,1923)
- Jikan by Riichi Yokomitsu (March 17,1898 - December 30,1947)
- Jiko wo kanzurutoki by Bokusui Wakayama (August 24,1885 - September 17,1928)
- Jimoku-ki by Ryunosuke Akutagawa (March 1,1892)
- Jinchouge by Yuriko Miyamoto (February 13,1899 - January 21,1951)
- Jinchuunisshi by Sadao Yamanaka
- Jingaimakyou by Mushitaro Oguri
- Jinjagoushi ni kansuru iken by Kumagusu Minakata (April 15,1867 - December 29,1941)
- Jinrou by Ryunosuke Akutagawa
- Jinsei (Life) by Soseki Natsume (February 9,1867 - December 9,1916)
- Jinzouningen by Hatsunosuke Hirabayashi (November 8,1892 - June 15,1931)
- Jippon' no hari by Ryunosuke Akutagawa
- Jishin' nikki (Earthquake dairy) by Bokusui Wakayama (August 24,1885 - September 17,1928)
- Jissaiizen' ni yondahon (Books that I read before I am 10 years old) by Shoyo Tsubouchi (May 22,1859 - February 28,1935)
- Jitensha nikki (Bicycle dairy) by Soseki Natsume (February 9,1867 - December 9,1916)
- Jitensha no natsu by Hajime Kuribayashi (b.1958)
- Jitsugo kyo in Heian' era
- Jiyuu ka chosakukenka by Richard Stallman
- Jobun' ni kaete utaeru utajisshu by Bokusui Wakayama (August 24,1885 - September 17,1928)
- Jokyuu by Wakizo Hosoi (May 9,1897 - August 18,1925)
- Joniku wo ryourisuru otoko by Itsuma Maki (January 17,1900 - June 29,1935)
- Joou (Queen) by Ujo Noguchi (May 29,1882 - January 27,1945)
- Jorui by Osamu Dazai (June 19,1909 - June 13,1948)
- Josei to niwa (Women and garden) by Kanoko Okamoto (March 1,1889 - February 18,1939)
- Joseito (Girl student) by Osamu Dazai
- Joshi no dokuritsujiei by Akiko Yosano (December 7,1878 - May 29,1942)
- Jotou by Shutaro Nanbu (October 12,1892 - June 22,1936)
- Joudan' ni korosu by Kyusaku Yumeno (January 4,1889 - March 11,1936)
- Jougashima no haru by Shin Makino'ichi (November 12,1896 - March 24,1936)
- Joushikika no hijoushiki by Sakutaro Hagiwara (November 1,1886 - May 11,1942)
- Junsa jishoku by Kyusaku Yumeno (January 4,1889 - March 11,1936)
- Junshin by Osamu Dazai (June 19,1909 - June 13,1948)
- Junsuishousetsuron by Riichi Yokomitsu (March 17,1898 - December 30,1947)
- Juriano kichisuke by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Juuensatsu by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Juugatsu no sue by Kenji Miyazawa (August 27,1896 - September 21,1933)
- Juugoya otsukisan by Ujo Noguchi (May 29,1882 - January 27,1945)
- Juuhachiji no ongakuyoku by Juza Unno (December 26,1897 - May 17,1949)
- Juuhassaino monologue by Aki Hayami (b.1969)
- Juunigatsuyouka (December 8) by Osamu Dazai (June 19,1909 - June 13,1948)
- Juunishikou by Kumagusu Minakata (April 15,1867 - December 29,1941)
- Juunishikou by Kumagusu Minakata (April 15,1867 - December 29,1941)
- Juusan'ya by Ichiyo Higuchi (May 2,1872 - November 23,1896)
- Juusanji by Edgar Poe Allan (January 19,1809 - October 7,1849)
- Juushimatsu by Katsuji Yamamoto (March 17,1929)