Port Arthur
Port Arthur may refer to:
- Port Arthur naval base in Manchuria, now called Lüshunkou
- Port Arthur massacre (China) in the Sino-Japanese War in 1894
- Battle of Port Arthur, a sea battle in the Russo-Japanese War in 1904
- Siege of Port Arthur a land battle in 1904
- Australia
- Port Arthur, Tasmania (Australia), the site of a historic convict settlement
- Port Arthur massacre (Australia), which occurred in Port Arthur, Tasmania in 1996
- United States
- Port Arthur, Texas, a city in the United States
- Port Arthur, Wisconsin, an unincorporated community
- Canada
- Port Arthur, Ontario (Canada), a former city, now a part of Thunder Bay
- Port Arthur (electoral district) (Canada),
- Finland
- VIII District, Turku (Finland), aka Port Arthur, a district in Turku
Other
- Port Arthur, BattleTech Universe's fictional planet