One Nation may refer to:

• One Nation (Hype Williams album), 2011
• Onenation, a Japanese record label
• One Nation (band), an English band founded by Robbie France
• One Nation, an album by Dance Nation released in 2007
• "One Nation", a song by Sacred Reich released on Surf Nicaragua, covered by Soulfly
• One Nation, an album by Outlawz

• One Nation (infrastructure), an Australian program of infrastructure works in the 1990s
• One Nation (Israel), a defunct party in Israel
• One-nation conservatism, a form of British political conservatism
• One Nation Labour, the theme used by the British Labour Party in 2012
• OneNation, a political party in the United Kingdom
• One Nation (United States), a conservative political non-profit organization in the United States
• One New Zealand Party, a defunct political party in New Zealand based on the Australian party
• Pauline Hanson's One Nation, also known as One Nation, a political party in Australia
  • One Nation NSW, a defunct splinter group, operating exclusively in New South Wales
• PNG One Nation Party, a political party in Papua New Guinea
• World government, the concept of a single common political authority for all of humanity

• All pages with titles beginning with One Nation
• Our Nation (disambiguation)