IASA

IASA may mean

• The International Association of Sound and Audiovisual Archives
• The IETF Administrative Support Activity, an activity housed within the Internet Society (ISOC).
• The Israel Arts and Science Academy, a high-school in Jerusalem, Israel.
• The Improving America's Schools Act of 1994
• The fictional International Aeronautics and Space Administration in Farscape and Earth: Final Conflict.
• The International Aviation Safety Assessments conducted by the Federal Aviation Administration in the United States
• The Irish Amateur Swimming Association
• Interruptible As Soon As frames, a term often used in Super Smash Bros.
• The International Association of Software Architects