| APS | Ammonium Persulfate | - | Computer Acronyms(common) |
| APS | Advanced Photon Source | - | Computer Acronyms(common) |
| APS | American Physical Society | - | Computer Acronyms(common) |
| APS | Active Pixel Sensor | - | Computer Acronyms(common) |
| APS | Adiabatic Pseudopotential | - | Computer Acronyms(common) |
| APS | Aerodynamic Particle Sizer | - | Computer Acronyms(common) |
| APS | Air Plasma Spraying | - | Computer Acronyms(common) |
| APS | Antiphospholipid Syndrome | - | Computer Acronyms(common) |
| APS | Appearance Potential Spectroscopy | - | Computer Acronyms(common) |
| APS | Atom Probe Spectroscopy | - | Computer Acronyms(common) |
| APS | Autocorrelation Photon Spectroscopy | - | Computer Acronyms(common) |
| APS | Acquisition Processor Subsystem | - | Organizations |
| APS | American Physical Society - Antiphospholipid Antibody Syndrome | - | Astronomy |
| APS | American Physical Society | - | Business and Finance |
| APS | Advanced Power Source | - | Business and Finance |
| APS | Array Processing System | - | Business and Finance |
| APS | Atomic Power Station | - | Business and Finance |
| APS | Auxiliary Power System | - | Business and Finance |
| APS | Autocorrelated Photon Spectroscopy | - | Business and Finance |
| APS | Axial Power Shape | - | Business and Finance |
| APS | automatic protection switching
| - | Human Genome |