Tum or tum can refer to:

• Technische Universität München (Technical University of Munich).
• Atum, an Egyptian god.
• Ra, an Egyptian god.
• tum, Tumbuka language (ISO 639-2 language code).
• The Tum ethnic group of Laos.
• Tum, Ethiopia.
• Tum, Łódź Voivodeship, a village in central Poland, famous for the Romanesque collegiate church in Tum.
• Rigoberta Menchú Tum, 1992 Nobel Peace Prize laureate.
• The singular of Tums, an antacid/calcium supplement use for helping with acid indigestion, heartburn, and sour stomach.

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