Metron may refer to:

• Metron (character), DC Comics character
• Metron (skipper), a genus of butterflies in the grass skipper family
• Metron, a fictional species in Star Trek: The Original Series
• Metron Aviation, an air traffic flow management company
• Metron of Pydna, a general of Alexander the Great
• Metron S, a synonym for Iproheptine, an antihistamine
• Metron, a typeface for Prague Metro by Jiří Rathouský
• Metron (poetry), plural metra, a 3 or 4-syllable repeating section of a poetic metre
• Metron, an international journal of statistics founded in 1920 by Italian statistician Corrado Gini
• Metron, in Heim theory, a (two-dimensional) quantum of (multidimensional) space, a unit of measure
• A trio of characters in the Heisei Ultraseven universe

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