Attas or al-Attas or Alatas may refer to:

• Ali Alatas, former Foreign Minister of Indonesia
• Haidar Abu Bakr al-Attas, Prime Minister of Yemen
• Syed Muhammad Naquib al-Attas, Muslim scholar
• Syed Hussein Alatas, Malaysian academician, sociologist and politician and the older brother of Syed Muhammad Naquib al-Attas
• Syed Farid al-Attas, Malaysian sociologist and the son of Syed Hussein Alatas
• Hamida al-Attas, mother of Osama bin Laden
• Jai Al-Attas, co-founder and co-owner of Australian independent label Below Par Records
• Huda al-Attas, Yemeni journalist and author

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