Itoshima (糸島郡, Itoshima-gun) was a district located in northwestern Fukuoka Prefecture, Japan. Before its dissolution, the district comprised two towns: Shima (志摩町) and Nijō (二丈町). On January 1, 2010, the towns of Nijō and Shima – along with the city of Maebaru – were merged to create the city of Itoshima. Itoshima District was dissolved as a result of this merger.

• Village of Imajuku (今宿村)
• Village of Susenji (周船寺村)
• Village of Motooka (元岡村)
• Village of Imazu (今津村)
• Village of Kitazaki (北崎村)
• Village of Maebaru (前原村)
• Village of Kafuri (加布里村)
• Village of Nagaito (長糸村)
• Village of Raizan (雷山村)
• Village of Ito (怡土村)
• Village of Hatae (波多江村)
• Village of Kaya (可也村)
• Village of Sakurano (桜野村)
• Village of Kofuji (小富士村)
• Village of Keya (芥屋村)
• Village of Ikisan (一貴山村)
• Village of Fukae (深江村)
• Village of Fukuyoshi (福吉村)

• September 15, 1901 - The village of Maebaru was elevated to town status to become the town of Maebaru. (1 town, 17 villages)
• April 1, 1931 - The town of Maebaru, and the villages of Hatae and Kafuri were merged to create the town of Maebaru. (1 town, 15 villages)
• October 15, 1941 - The village of Imajuku was merged into the City of Fukuoka. (1 town, 14 villages)
• April 1, 1942 - The village of Imazu was merged into the city of Fukuoka. (1 town, 13 villages)
• January 1, 1955: (1 town, 6 villages)
  • The town of Maebaru, and the villages of Raizan and Nagaito were merged to create the town of Maebaru.
  • The villages of Ikisan, Fukae and Fukuyoshi were merged to create the village of Nijō.
  • The villages of Kaya, Sakurano, Kofuji and Keya were merged to create the village of Shima.
• April 1, 1955 - The village of Ito was merged into the town of Maebaru. (1 town, 5 villages)
• April 1, 1961 - The villages of Motooka, Susenji and Kitazaki were merged into the city of Fukuoka. (1 town, 2 villages)
• April 1, 1965: (3 towns)
  • The village of Nijō was elevated to town status to become the town of Nijō.
  • The village of Shima was elevated to town status to become the town of Shima.
• October 1, 1992 - The town of Maebaru was elevated to city status to become the city of Maebaru. (2 towns)
• January 1, 2010 - The towns of Nijō and Shima, along with the city of Maebaru, were merged to create the city of Itoshima. Itoshima District was dissolved as a result of this merger.

• List of dissolved districts of Japan

33°33′18″N 130°11′10″E / 33.55500°N 130.18611°E / 33.55500; 130.18611