Jaan is the spelling of the name John in Estonian language.
People named Jaan include:
Jaan Anvelt (1884–1937), Estonian communist revolutionaryJaan Arder (born 1952), Estonian singerJaan Ehlvest (born 1962), Estonian chess playerJaan Eilart (1933–2006), Estonian biologistJaan Einasto (born 1929), Estonian astrophysicistJaan Jüris (born 1977), Estonian ski jumperJaan Kaplinski (born 1941), Estonian poet, philosopher, and culture criticJaan Kärner (1891–1958), Estonian poet and writerJaan Kiivit, Jr. (1940–2005), Estonian ArchbishopJaan Kikkas (1892–1944), Estonian weightlifterJaan Kirsipuu (born 1969), Estonian road bicycle racerJaan Kross (1920–2007), Estonian contemporary writerJaan Kruus (1884–1942), Estonian military General.Jaan Kundla (born 1937), Estonian politicianJaan Laaman (born 1948), American member of the United Freedom FrontJaan Lattik, (1878–1967), Estonian politician and writerJaan J. Leppik (born 1969), Estonian clergyman and politicianJaan Manitski (born 1942), Estonian politicianJaan Mark (born 1951), Estonian politicianJaan Patterson (born 1975), German American writer and composer, founder of the netlabel Surrism-PhonoethicsJaan Pehk (born 1975), Estonian writer, singer and guitaristJaan Port (1891–1951), Estonian botanistJaan Poska (1866–1920), Estonian barrister and politicianJaan Puhvel (born 1932), Estonian-American Indo-EuropeanistJaan Rääts (born 1932), Estonian film score composerJaan Rekkor (born 1958), Estonian actorJaan Sarv (1877–1954), Estonian mathematician and pedagogueJaan Soots (1880–1942), Estonian military commanderJaan Tallinn (born 1972), Estonian programmerJaan Talts (born 1944), Estonian weightlifterJaan Teemant (1872–?), Estonian lawyer and politicianJaan Tiidemann (born 1971), Estonian architectJaan Tõnisson (1868–?), Estonian statesmanJaan Toomik (born 1961), Estonian video artist and a painterFictional characters
Jaan Tatikas, protagonist in the Eduard Bornhöhe's novel Tallinna narrid ja narrikesed, who has become a well-known stereotype in Estonian culture