Nakatsugaru District (中津軽郡, Nakatsugaru-gun) is a rural district located in Aomori Prefecture, Japan.

As of September 2013, the district had an estimated population of 1,505 and an area of 246.05 km. Much the city of Hirosaki was formerly part of Nakatsugaru District. In terms of national politics, the district is represented in the Diet of Japan's House of Representatives as a part of the Aomori 3rd district.

• Nishimeya

The area of Nakatsugaru District was formerly part of Mutsu Province. At the time of the Meiji restoration of 1868, the area consisted of one town and 134 villages, all under the control of Hirosaki Domain. Aomori Prefecture was founded on December 13, 1871, and Nakatsugaru District was carved out for former Tsugaru District on October 30, 1878.

With the establishment of the municipality system on April 1, 1889, Nakatsugaru District, organized into one city (Hirosaki) and 16 villages, were established.

• March 1, 1955 – The villages of Shimizu, Watoku, Toyoda, Horikoshi, Chitose, Fujishiro, Niina, Funasawa, Takasugi, Susono, Higashimeya were annexed by Hirosaki; The villages of Ōura and Komagoshi were merged into Iwaki.
• February 1, 1961 - Iwaki was elevated to town status
• February 27, 2006 - Iwaki and the village of Sōma were annexed by the city of Hirosaki

明治22年以前 Prior to Meiji 22 (1889)	明治22年4月1日 April 1, Meiji 22	明治22年 - 昭和19年 Meiji 22 - Showa 19 (1889 - 1944)	昭和20年 - 昭和64年 Showa 20 - Showa 64 (1945 - 1989)		平成1年 - 現在 Heisei 1 - Present (1989–Present)	現在 Present
	弘前市 City of Hirosaki	弘前市 City of Hirosaki	弘前市 City of Hirosaki	弘前市 City of Hirosaki	平成18年2月27日 弘前市 February 27, Heisei 18 (2006) City of Hirosaki	弘前市 City of Hirosaki
	清水村 Village of Kiyomizu	清水村 Village of Kiyomizu	昭和30年3月1日 弘前市に編入 March 1, Showa 30 Incorporated into City of Hirosaki
	和徳村 Village of Watoku	和徳村 Village of Watoku
	豊田村 Village of Toyoda	豊田村 Village of Toyoda
	堀越村 Village of Horikoshi	堀越村 Village of Horikoshi
	千年村 Village of Chitose	千年村 Village of Chitose
	藤代村 Village of Fujishiro	藤代村 Village of Fujishiro
	新和村 Village of Niina	新和村 Village of Niina
	船沢村 Village of Funasawa	船沢村 Village of Funasawa
	高杉村 Village of Takasugi	高杉村 Village of Takasugi
	裾野村 Village of Susuno	裾野村 Village of Susuno
	岩木村 Village of Iwaki	岩木村 Village of Iwaki	昭和30年3月1日 岩木村 March 1, Showa 30 (1955) Village of Iwaki	昭和36年2月1 町制 February 1, Showa 36 (1961) Town Status
	大浦村 Village of Ōura	大浦村 Village of Ōura
	駒越村 Village of Komagoshi	駒越村 Village of Komagoshi
	相馬村 Village of Sōma	相馬村 Village of Sōma	相馬村 Village of Sōma	相馬村 Village of Sōma
	東目屋村 Village of Higashimeya	東目屋村 Village of Higashimeya	昭和30年3月1日 弘前市に編入 March 1, Showa 30 Incorporated into City of Hirosaki
	西目屋村 Village of Nishimeya	西目屋村 Village of Nishimeya	西目屋村 Village of Nishimeya	西目屋村 Village of Nishimeya	西目屋村 Village of Nishimeya	西目屋村 Village of Nishimeya

40°30′54″N 140°15′18″E / 40.51500°N 140.25500°E / 40.51500; 140.25500