PAC may refer to: Business Pacific Aerospace Corporation, an aircraft manufacturing company based in Hamilton, New Zealand Pakistan Aeronautical Complex, a military aircraft manufacturing facility in Pakistan Planned Amortization Class, a type of collateralized mortgage obligation Polar Air Cargo, a cargo airline based in Purchase, New York, USA Education Partnerships in Academic Communities, a program in Miami, Florida that awards scholarships to those enrolled Prince Alfred College, an… (More on Pac)