Rapanos may mean:

• Rapanos v. United States, a 2006 United States Supreme Court case
• Vassilis Rapanos, the Finance Minister of Greece in June 2012

• Wallachs
• Wallack's Theatre
• Wallacks theatre
• Walla Crag
• Wallada
• Wallada bint al-Mustakfi
• Walladah
• Wall adapter
• Wallago
• Wallago attu
• Wallagonia micropogon
• Wallagrass
• Walla group
• Wallah
• Wallamet Cattle Company
• Walland
• Walland, Tennessee
• Walla (news)
• Wallan railway station
• Wallan, Victoria
• Wallarah
• Wallarah 2 Coal Project
• Wallarah, New South Wales
• Wallarobba railway station
• Wallaroo (disambiguation)