ALAT or Alat may refer to:

• Alat (company), technology and electronics manufacturing company
• Arun Alat, Indian singer/musician
• Alanine transaminase (ALAT), an enzyme
• Advanced load address table (ALAT), a functional unit in the Intel Itanium processor architecture
• French Army Light Aviation (Aviation légère de l’armée de Terre, ALAT)
• Alat, Russia, a rural locality in the Republic of Tatarstan, Russia
• Alat, alternative spelling of Olot, a town in Uzbekistan
• Ələt, a port town in Azerbaijan
• Alat tribe, a Turkic nomadic tribe