The placename Aran may refer to:

• The Aran Islands across the mouth of Galway Bay, Ireland or the largest island in that group
• Aran Island also known as Arranmore off the coast of County Donegal, Ireland
• Aran, a historical region that is a part of modern Republic of Azerbaijan (Caucasia)
• The Isle of Arran in Scotland.
• Val d'Aran in Spain.
• Aran va Bidgol is a city in Isfahan province, Iran
• Yr Aran a mountain peak in North Wales

Aran may also mean:

• Samus Aran the main character in Nintendo's video game series Metroid , .
• Aran sweater, a sweater manufacutered famously in Ireland
• Aran a ship used during World War II by Sweden.