Baath, Ba'ath or Ba'th may refer to:

Politics

• Ba'ath Party
• Ba'athism
• Ba'athist Iraq
• De-Ba'athification
• Revolutionary Ba'ath Party
• Sudanese Ba'ath Party
• February 1963 Iraqi coup d'état
• 1963 Syrian coup d'état
• Arab Socialist Rebirth Party (Yemen), Hizb al Baath al'Arabi al Ishtiraki

Albert Ulrik Bååth (13 July 1853 Malmö, Sweden - 2 August 1912 Göteborg, Sweden) was a Swedish poet and author, often seen as A.U. Bååth. He was a senior lecturer in Old Norse literature at Göteborgs högskola from 1881 until 1911. He was the brother of Cecilia Bååth-Holmberg.