Alliant

Alliant may refer to:

• Alliant Aviation, an American aircraft manufacturer based in Three Rivers, Michigan and later in Richland, Michigan
  • Alliant Destiny Fusion, an American powered parachute design
  • Alliant Destiny XLT, an American powered parachute design
• Alliant Computer Systems, an American computer company that designed and manufactured parallel computing systems
• Alliant Credit Union, a Chicago-based financial cooperative
• Alliant Energy, an American public utility holding company that incorporated in Madison, Wisconsin in 1981
• Alliant Energy Center, an American multi-building complex in Madison, Wisconsin
• Alliant Exchange, Inc, an American food service company
• Alliantgroup, an American tax consulting services firm based in Houston, Texas
• Alliant International University an American private, higher education institution based in San Diego, California
• Alliant Techsystems, an American aerospace, defense, and sporting goods company based in Arlington County, Virginia
  • Alliant RQ-6 Outrider, an American unmanned aerial vehicle