List of state leaders in 1003

1002 state leaders - Events of 1003 - 1004 state leaders - State leaders by year -----

Africa

*Fatimid Caliphate - unicode|Abū 'Alī al-Manṣūr al-Ḥākim bi-Amr Allāh, Caliph (996-1021)
**Ifriqiya - Badis ibn Mansur, Zirid Viceroy (995-1016)

Americas

Asia

*Ani - Gagik of Ani, King of Ani (989-1020)
*Byzantine Empire - Basil II Bulgaroktonus, Byzantine emperor (976-1025)
*Caliphate(Abbasid) - Al-Qadir, Caliph in Baghdad (991-1031)
*China (Northern Song Dynasty) - Zhenzong, Emperor of Song China (997-1022)
*Ghaznavid Empire - Mahmud of Ghaznavid (998-1030)
*Japan -
**Monarch - Emperor Ichijō, emperor of Japan (986-1011)
**"de facto" - Fujiwara no Michinaga (995-1017)
*Khitan Empire - Shengzong, Khitan Emperor (982-1031)
*Khmer Empire - Jayaviravarman (1002-1011) & Suryavarman I (1001-1050)
*Korea (Goryeo Dynasty) - Mokjong, King of Goryeo (997-1009)
*Mataram - Dharmawangsa (985-1006)
*Tamil Nadu - Rajaraja Chola, King of Tamil Nadu (985-1014)

Europe

* Bohemia - Bolesław I the Brave, Duke of Poland (992-1025)
*Bulgaria - Samuil, Tsar of Bulgaria (976-1014)
*Byzantine Empire - Basil II Bulgaroktonus, Byzantine emperor (976-1025)
*Denmark - Sweyn I of Denmark, also known as "Sweyn Forkbeard", King of Denmark (985 - February 2, 1014); also King of Norway
*England - Ethelred II, also known as "Ethelred the Unready", King of England (March 18, 978 - December 25, 1013 and February 2, 1014 - April 23, 1016)
*France - Robert II, King of France (996-1031)
*Holy Roman Empire ("Germany") - Henry II, Holy Roman Emperor of the Ottonian dynasty (elected and coronated June 7, 1002, becoming "de facto" Emperor; later crowned by Pope Benedict VIII on February 14, 1014, died July 13, 1024). Also King of Italy.
*Hungary - Stephen I, King of Hungary (997-1038)
*Ireland - Brian Boru, High King of Ireland (1002 - 1014)
* Moravia - Bolesław I the Brave, Duke of Poland (992-1025)
*Norway - Sweyn I of Denmark, King of Norway (999 - February 2, 1014); also King of Denmark
* Poland - Bolesław I the Brave, Duke of Poland (992-1025)
*Scotland - Kenneth III, King of Scots (997-1005)
* Slovakia - Bolesław I the Brave, Duke of Poland (992-1025)
*Spain - Hisham II of the Umayyad Dynasty, Caliph of Cordoba (976-1008 and 1010-1012)
*Sweden - Olof the Tax-king, King of Sweden (995-1022)
*Wales (List of rulers of Wales)
**Gwynedd - Llywelyn ap Seisyll, Prince of Gwynedd (1003-1023)
*Venice - Pietro II Orseolo, Doge of Venice (991-1009)