Higashimatsuura (東松浦郡, Higashimatsuura-gun) is a district located in Saga Prefecture, Japan. At the present it has only one town.

As of April 1, 2021, the district has an estimated population of 5,211 and a density of 145 persons per square kilometre. The total area is 35.92 square kilometres (13.87 square miles).

• Genkai, whose borders are effectively the same as Higashimatsuura District's.

• In 1878, Higashimatsuura District split with Matsuura District in Nagasaki Prefecture, along with Nishimatsuura District, Kitamatsuura District, and Minamimatsuura District.
• In 1883 Higashimatsuura District (along with Nishimatsuura District) became a part of Saga Prefecture.
• On January 1, 2005, Kitahata, Chinzei, Hamatama, Hizen, Kyūragi, Ōchi and Yobuko (all from Higashimatsuura District) were merged into the expanded city of Karatsu.

Before 1889	April 1, 1889	1889 - 1944		1945 - 1959	1960 - 1989	1989–Present	Present
	Nanayama	Nanayama		Nanayama	Nanayama	January 1, 2006 Incorporated into Karatsu	Karatsu
	Karatsu (town)	Karatsu (town)	January 1, 1932 City status gained Karatsu	Karatsu	Karatsu	January 1, 2005 Karatsu
	Mitsushima	January 1, 1924 Incorporated into Karatsu (town)
	Karatsu (village)	February 1, 1931 Incorporated into Karatsu (town)
	Sashi	September 1, 1935 Town status gained Sashi	November 3, 1941 Incorporated into Karatsu
	Onizuka	Onizuka		November 1, 1954 Incorporated into Karatsu
	Minato	Minato
	Kagami	Kagami
	Kuri	Kuri
	Ōchi	September 1, 1935 Town status gained Ōchi		Ōchi	Ōchi
	Kyūragi	Kyūragi		May 3, 1952 Town status gained Kyūragi	Kyūragi
	Nagoya	January 1, 1922 Kanji renaming Nagoya		September 30, 1956 Chinzei	Chinzei
	Uchiage	Uchiage
	Hamasaki	July 1, 1922 Town status gained Hamasaki		September 30, 1956 Hamasaki-Tamashima	November 1, 1966 Renaming Hamatama
	Ōmura	July 28, 1896 Renaming Tamashima
	Yobuko	August 1, 1928 Town status gained Yobuko		Yobuko	Yobuko
	Kitahata	Kitahata		Kitahata	Kitahata
	Irino	Irino		January 1, 1958 Town status gained Hizen	Hizen
	Kirigo	Kirigo		December 21, 1957 Incorporated into Irino
				December 31, 1957 Incorporated into Karatsu
				December 31, 1957 Incorporated into Genkai	Genkai	Genkai	Genkai
	Ariura	Ariura		September 30, 1956 Genkai
	Chiga	Chiga

33°28′N 129°53′E / 33.467°N 129.883°E / 33.467; 129.883