This is a list of state leaders in the 10th century (901–1000) AD, except for the many leaders within the Holy Roman Empire.
Ethiopia
Egypt
Sudan
Ifriqiya
Nigeria
Maya civilization
Afghanistan
Uzbekistan
Tibet
China: Tang dynasty
Khitan China: Liao dynasty
Northern China: The Five Dynasties
Southern China: The Ten Kingdoms
China: Northern Song
China: Other states and entities
Japan
Korea
Cambodia
Indonesia
Malaysia: Peninsular
Myanmar / Burma
Philippines
Thailand
Vietnam
Afghanistan
Bengal and Northeast India
India
Pakistan
Sri Lanka
Mesopotamia
Persia
Yemen
Holy Roman Empire in Germany
Hungary
Moravia
Poland
Denmark
Norway
Sweden
Holy Roman Empire in Italy
Iberian Peninsula: Christian
Iberian Peninsula: Muslim
Marca Hispanica
Easter Island
Tonga