List of state leaders in 1678

1677 state leaders - Events of 1678 - 1679 state leaders - State leaders by year-----

See also:
*List of religious leaders in 1678
*List of colonial governors in 1678

Africa

*Dahomey - Houegbadja, King of Dahomey (1645-1685)
*Ethiopia - Yohannes I, Emperor of Ethiopia (1667-1682)

Asia

* China (Qing Dynasty) - Kangxi, Emperor of China (1662-1722)
* Japan -
**Monarch - Reigen, Emperor of Japan (1663-1687)
**Shogun (Tokugawa) - Tokugawa Ietsuna, Shogun of Japan (1651-1680)
**Ryūkyū Kingdom - Shō Tei, King of Ryūkyū (1669-1709)
*Korea (Joseon Dynasty) - Sukjong, King of Joseon (1674-1720)
* Taiwan (Dongning) - Zheng Jing, Ruler of Dongning (1662-1681)

Europe

* Denmark–Norway - Christian V, King of Denmark (1670-1699)
* England - Charles II, King of England (1660-1685)
* France - Louis XIV, King of France (1643-1715)
*Holy Roman Empire - Leopold I, Holy Roman Emperor (1658-1705)
* Polish-Lithuanian Commonwealth - Jan III Sobieski, King of Poland (1674-1696)
*Portugal - Pedro II, King of Portugal (1667-1706)
* Russia - Feodor III, Tsar of Russia (1676-1682)
*Savoy - Victor Amadeus II, Duke of Savoy (1675-1730)
*Scotland - Charles II, King of Scotland (1660-1685)
*Spain - Charles II, King of Spain (1665-1700)
* United Provinces
**Estates of Friesland, Groningen, Guelders, Holland, Overijssel, Utrecht, Zeeland (1581-1795)
** Stadtholder - Prince William III of Orange, Stadtholder of Guelders, Holland, Overijssel, Utrecht and Zeeland (1672-1702)
***Holland - Grand Pensionary Gaspar Fagel of Holland (1672-1688)

Middle East and North Africa

* Morocco - Al-Harrani, Abu'l Abbas Ahmad I, and Ismail, Joint Sultan of Morocco (1672-1684)
* Ottoman Empire
**Monarch - Mehmed IV, Sultan of the Ottoman Empire (1648-1687)
**Grand Vizier - Kara Mustafa, Ottoman Grand Vizier (1676-1683)
*Safavid Empire -
*# Suleiman I Shah of Iran (1666-1694)