1907 in Japan

Incumbents

• Emperor: Emperor Meiji
• Prime Minister: Saionji Kinmochi

  Events

• February 5 - Nisshin Spinning, later Nisshinbo founded.
• February 15 - Gentlemen's Agreement of 1907
• May Unknown date - Maruzen Petroleum, as predecessor of Cosmo Petroleum was founded in Osaka.
• May 11 - Hinode Life Insurance, later Sumitomo Life Insurance was founded.
• June 10 - Franco-Japanese Treaty of 1907
• July 24 - Japan–Korea Treaty of 1907
• September 7 - Asahi Grass founded in Amagasaki, Hyogo Prefecture.

  Births

• January 1 - Kinue Hitomi, sprinter and long jumper
• January 8 - Keizō Hayashi, civil servant
• January 23 - Hideki Yukawa, theoretical physicist, Nobel laureate
• February 25 - Utaemon Ichikawa, actor
• March 17 - Takeo Miki, 41st Prime Minister of Japan
• April 29 - Chūya Nakahara, poet
• May 6 - Yasushi Inoue, author
• August 1 - Hisato Ohzawa, composer
• August 12 - Noriko Awaya, soprano chanson and ryūkōka singer
• October 1 - Ryōichi Hattori, composer

  Deaths

• March 12 - Matsumoto Jun, physician
• September 2 - Kuga Katsunan, journalist
• October 5 - Nakayama Yoshiko, lady-in-waiting, mother of Emperor Meiji
• December 16 - Asai Chū, painter