See Aozora Bunko
- Uba sute (Abandaning old women) by Osamu Dazai (June 19,1909 - June 13,1948)
- ubuyamonogatari by Akiko Yosano (December 7,1878 - May 29,1942)
- Uchuu jo shuu daiichigou by Juza Unno (December 26,1897 - May 17,1949)
- Udaijin sanetomo by Osamu Dazai (June 19,1909 - June 13,1948)
- Ue (Hunger) by Tamiki Hara (November 15,1905 - March 13,1951)
- Ukai by Riichi Yokomitsu (March 17,1898 - December 30,1947)
- Ukouseisakuno jidai by Konan Naito (July 18,1866 - June 26,1934)
- Ukumanu junsa (Officer Ukuma) by Sekiho Ikemiyagi (1893 - 1951)
- Uma ichi (Hourse market) by Yuriko Miyamoto (February 13,1899 - January 21,1951)
- Uma no ashi by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Umareizuru nayami by Takeo Arishima (March 4,1878 - June 9,1923)
- Ume no hanasakura no hana by Bokusui Wakayama (August 24,1885 - September 17,1928)
- Umi ni ikuru hitobito by Yoshiki Hayama (March 12,1894 - October 18,1945)
- Umi no hotori by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Umi (Sea) by Motojiro Kajii (February 17,1901 - March 24,1932)
- Umibe hachigatsu (August on beach) by Bokusui Wakayama (August 24,1885 - September 17,1928)
- Umon torimonochou (Right-gate Files) by Mitsuzo Sasaki (March 18,1896 - February 6,1934)
- Un'no juuza haisen' nikki (Un'no's three loss dairy) by Juza Unno (December 26,1897 - May 17,1949)
- Un (Luck) by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Undoukai no fuukei by Yoshiki Hayama (March 12,1894 - October 18,1945)
- Unmei ronsha (Fate theorist) by Doppo Kunikida (July 15,1871 - June 23,1908)
- Unmei to hito (Fate and man) by Takeo Arishima (March 4,1878 - June 9,1923)
- Uo gashi (Fish coast) (by Ryunosuke Akutagawa (March 1,1892 - July 24,1927)
- Urashima tarou a Japanese fairly tail by Masao Kusuyama (November 4,1884 - November 26,1950)
- Ushi wo tsunaida tsubaki no ki by Nankichi Niimi (July 30,1913 - March 22,1943)
- Uso wo tsuku hi (A day for lying) by Senko Mizuno (December 3,1888 - May 31,1919)
- Uso (Lie) by Nankichi Niimi (July 30,1913 - March 22,1943)
- Uso (Lie) by On Watanabe (August 26,1902 - February 10,1930)
- Uso (Lie) by Osamu Dazai (June 19,1909 - June 13,1948)
- Uta andon by Kyoka Izumi (November 4,1873 - September 7,1939)
- Uta to shuukyou by Bokusui Wakayama (August 24,1885 - September 17,1928)
- Utakatano ki by Ogai Mori (February 17,1862 - July 9,1922)
- Utsukushiki shi no kishini by Tamiki Hara (November 15,1905 - March 13,1951)
- Utsukushiki tsukiyo (Beautiful moon night) by Yuriko Miyamoto (February 13,1899 - January 21,1951)
- Utsuri ga by Shuko Chikamatsu (May 4,1876 - April 23,1944)
- Utsusemi by Ichiyo Higuchi (May 2,1872 - November 23,1896)
- Uzumakeru karasuno mure by Denji Kuroshima (December 12,1898 - October 17,1943)