Tanna () is a city in Thuringia, in the district of Saale-Orla-Kreis. It is located about 10 km south of Schleiz. Tanna was founded in 1495. The musicologist Paul Willert (1901–1988) was born in the city.
History Within the German Empire (1871-1918), Tanna was part of the Principality of Reuss-Gera.
Population growth Historical population (from 1994 December 31): 1833 - 1390 1910 - 2032 1933 - 2192 1939 - 2045 1994 - 2313 1995 - 2309 1996 - 2352 1997 - 4495 1998 - 4450 1999 - 4347 2000 - 4330 2001 - 4264 2002 - 4264 2003 - 4229 2004 - 4106 2005 - 4073 2006 - 4039 2007 - 4023 2008 - 3998 2009 - 3938 Statistics since 1994: Thüringer Landesamt für Statistik
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