• Former monarchies of East Asia‎ (19 C, 33 P)
• Former countries in Chinese history‎ (25 C, 269 P)
• Former countries in Japanese history‎ (7 C, 28 P)
• Former countries in Korean history‎ (18 C, 40 P)

C

• Chen dynasty‎ (1 C, 3 P)

E

• Empire of Japan‎ (21 C, 107 P)

G

• Goguryeo‎ (7 C, 43 P)

K

• Kingdom of Tungning‎ (3 C, 13 P)
• Provisional Government of the Republic of Korea‎ (3 C, 9 P)

M

• Mongol states‎ (10 C, 20 P)
• Former countries in Mongolian history‎ (5 C, 5 P)

R

• Ryukyu Kingdom‎ (10 C, 38 P)

S

• Spanish Formosa‎ (4 C, 7 P)

T

• Tibet‎ (27 C, 51 P)
• Tibetan Empire‎ (4 C, 10 P)

A

• Ara Gaya

B

• Baekje
• Balhae
• Bihwa Gaya
• Kingdom of Bumthang
• Buyeo

D

• Dai (Warring States period)

E

• East Hebei Autonomous Government
• Eastern Buyeo
• Eastern Okraina
• Empire of Japan

F

• Far Eastern Republic
• Dutch Formosa

G

• Daegaya
• Gaya confederacy
• Geumgwan Gaya
• Goryeong Gaya
• Goguryeo
• Government of Baekje
• Green Ukraine
• Gyeru

H

• Holbon

K

• Kingdom of Tungning
• People's Committee of North Korea
• Kyrgyz Khaganate

L

• Later Sabeol
• Little Goguryeo

M

• Manchukuo
• Mengjiang
• Mirimidong
• Mongol Empire
• List of Mongol states
• Mongol United Autonomous Government

N

• Nangnang Kingdom
• North Shanxi Autonomous Government
• Northwest Chinese Soviet Federation

P

• Provisional Priamurye Government
• Pugu (state)

Q

• Qin dynasty

R

• Republic of Ezo
• Republic of Formosa
• Ryukyu Kingdom

S

• Samhan
• Siljik
• Silla
• Unified Silla
• South Chahar Autonomous Government

T

• Taebong
• Takri Kingdom
• Tamna
• Tibet
• Tibetan Empire
• Tibetan People's Republic
• Timeline of the Yuan dynasty

Y

• Yuan dynasty

Z

• Zemstvo of Maritime Territory
• Genmou