AIHA may refer to:

• Agudas Israel Housing Association
• Albany Institute of History & Art
• AIHA Singapore, Singapore Ice Hockey Association
• American Industrial Hygiene Association
• Autoimmune hemolytic anemia (Auto-Immune hemolytic anemia abbreviated as AIHA)
• Aaiha (or Aiha), village, plain, lake, and temporary wetland in Lebanon
• Aiha script, the writing system of the fictional Kesh language in the novel Always Coming Home by Ursula K. Le Guin

• The Telling
• The telltale head
• The Tell Tale Head
• The Tell Tale Heart
• The Tell-Tale Heart (1960 film)
• The Tell-Tale Heart (movie)
• The Telltale Light
• The Tell-Tale Message
• The Telltale Moozadell
• The Telltale Moozadell (The Sopranos episode)
• The Tell-Tale Shoes
• The Telluride Institute
• The Telluride Sessions
• The Telos Alliance
• The Tel Quel group
• The Temp
• The Temperance Seven
• The Temperate Deciduous Forest
• The tempest
• The Tempest (1979 film)
• The Tempest (Insane Clown Posse)
• The Tempest (opera)
• The Tempest Prognosticator
• The Tempest (Sullivan)
• The Tempest (Tchaikovsky)