Lennart
Lennart is a Germanic variant of Leonard most common in Scandinavia and German-speaking countries. Notable people named Lennart are:
As a surname:
- Isobel Lennart, American screenwriter and playwright
- Sonja de Lennart, European fashion designer
As a given name:
- Lennart Alexandersson, Swedish footballer, father of football players Niclas and Daniel Alexandersson
- Lennart Åqvist, Swedish logician
- Lennart Askinger, Swedish football defender
- Lennart Atterwall, Swedish javelin thrower and European champion
- Lennart Augustsson, Swedish computer scientist
- Lennart Axelsson , Swedish trumpet player
- Lennart Axelsson , Swedish politician, member of the Riksdag
- Lennart Beijer, Swedish Left Party politician, member of the Riksdag 1994–2006
- Lennart Bengtsson, meteorologist currently interested in global climate modelling
- Lennart Bergelin, Swedish tennis player and coach
- Lennart Bernadotte, Count of Wisborg, Prince of Sweden and Duke of Småland from 1909 to 1932
- Lennart Bodström, Swedish politician, Minister for Foreign Affairs from 1982 to 1985
- Lennart Bohman, Swedish boxer
- Lennart Bunke, Swedish football forward
- Lennart Carleson, Swedish mathematician
- Lennart Carlström, Swedish orienteering competitor
- Lennart Daléus, Swedish politician, leader of the Swedish Centre Party from 1998 to 2001
- Lennart Dozzi, Swedish canoeist
- Lennart Ebbinge, former Swedish handball player
- Lennart Ekdahl, Swedish sailor
- Lennart Eriksson , the bass player in the rebellious Swedish punk rock band Ebba Grön
- Lennart Eriksson , former Swedish handball player
- Lennart Fremling, Swedish Liberal People's Party politician
- Lennart Geijer, Swedish politician and lawyer
- Lennart Ginman, Danish bassist, composer and music producer
- Lennart Green, world champion close-up/card magician
- Lennart Gripenberg, Finnish politician
- Lennart Gustavsson,, Swedish Left Party politician
- Lennart Hannelius, Finnish sport shooter
- Lennart Hartmann, German footballer
- Lennart Hedmark, retired Swedish track and field athlete
- Lennart Hedquist, Swedish politician of the Moderate Party
- Lennart Heimer, Swedish-American neuroscientist and educator
- Lennart Hellsing, son of the merchant Paul Hellsing and his wife Sigrid
- Lennart Hjulström, Swedish actor and director
- Lennart Hyland, Swedish TV-show host and journalist
- Lennart Jähkel, Swedish actor
- Lennart Johansson, the president of the Union of European Football Associations from 1990 to 2007
- Lennart Johansson , Swedish professional ice hockey player
- Lennart Johnsson, Swedish computer scientist and engineer
- Lennart Klingström, Swedish sprint canoeist
- Lennart Klockare, Swedish social democratic politician
- Lennart Kollberg, fictional character in the books by Maj Sjöwall and Per Wahlöö
- Lennart Kollmats, Swedish Liberal People's Party politician
- Lennart Koskinen, clergyman in the Church of Sweden, serving as bishop in Visby
- Lennart Larsson , Swedish cross-country skier
- Lennart Larsson , former Swedish footballer
- Lennart Lindgren, Swedish Navy officer
- Lennart Lindroos, Finnish breaststroke swimmer
- Lennart Ljung, Swedish Professor in the Chair of Control Theory at Linköping University since 1976
- Lennart Ljung, Swedish Army general
- Lennart Magnusson, Swedish fencer
- Lennart Mathiasen, Danish sprint canoeist who competed in the early 1970s
- Lennart Meri, Estonian writer, film director and statesman, President of Estonia from 1992 to 2001
- Lennart Nilsson, Swedish photographer and scientist
- Lennart Nylander, Swedish diplomat
- Lennart Olsson, Swedish zoologist & embryologist, professor of comparative zoology at the Friedrich Schiller University of Jena
- Lennart Petrell, Finnish professional ice hockey player
- Lennart Poettering, computer programmer
- Lennart Rodhe, Swedish artist, painter and printmaker
- Lennart Rönnback, Finnish White Guard veteran of the Finnish Civil War of 1918
- Lennart Rönnberg, Swedish Army major general
- Lennart Roslund, Swedish sailor
- Lennart Samuelsson, former football player from Sweden
- Lennart Sandin, Swedish bobsledder who competed in the early 1950s
- Lennart Skoglund,, Swedish football player
- Lennart Söderberg, Swedish football manager and former football player
- Lennart Steffensen, Norwegian football midfielder
- Lennart Stekelenburg, Dutch swimmer who is specialized in breaststroke
- Lennart Stenberg, Swedish author of Den nya nordiska floran
- Lennart Strand, Swedish middle distance runner, 1500 m silver medallist at the 1948 London Summer Olympics
- Lennart Strandberg, Swedish athlete who competed mainly in the 100 metres at the 1936 Olympics in Berlin
- Lennart Svedberg, Swedish ice hockey defenceman
- Lennart Swahn, Swedish journalist and radio and television personality.
- Lennart Thy, German footballer
- Lennart Torstenson, Count of Ortala, Baron of Virestad, Swedish Field Marshal and military engineer
- Lennart Viitala, Finnish freestyle wrestler and Olympic champion
- Lennart von Post, Swedish naturalist and geologist
- Lennart Wass, Swedish football manager
- Lennart Wing, Swedish former international footballer who played in defence