'''Altenberg''' may refer to:
* [[Peter Altenberg]], an Austrian writer and poet
* [[Vieille Montagne]] (German name "Altenberg"), a former zinc mine in Kelmis
* [[Altenberg, Germany]], a city in the Free State of Saxony, Germany
* [[Moresnet]], Altenberg was the Prussian name for Neutral Moresnet
* [[Altenberg (Bergisches Land)]], part of Odenthal, North Rhine-Westphalia, Germany
*places in Austria:
**Altenberg near Vienna, part of [[Sankt Andrä-Wördern]] in Lower Austria, on site the family mansion of [[Konrad Lorenz]]
**[[Altenberg bei Linz]], in Upper Austria
**[[Altenberg an der Rax]], in Styria

[[de:Altenberg]]
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