Weenen is a settlement in KwaZulu-Natal, South Africa.

Weenen may also refer to:

• Weenen massacre, a massacre of Voortrekkers by the Zulu
• Weenen-Kliprivier Commando, a regiment of the South African Army
• Edward van Weenen (1847–1925), an Australian philatelist
• John van Weenen (born 1941), an 8th Dan karateka and humanitarian

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