- AAT – Anglo-Australian Telescope
- AdV – Advanced Virgo
- aLIGO – Advanced LIGO
- ARC – Australian Research Council
- BBH – Binary Black Hole
- BHBH – Black Hole-Black Hole system
- BNS – Binary Neutron Star
- CBC – Compact Binary Coalescence
- CE – Cosmic Explorer
- CoE – Centre of Excellence
- DWF – Deeper, Wider, Faster
- EM – Electromagnetic
- ET – Einstein Telescope
- FRB – Fast Radio Burst
- GR – General Relativity
- GRACE FO – The Gravity and Climate Experiment Follow On
- GRB – Gamma-Ray Burst
- GWIC 3G – The Gravitational Wave International Committee Third Generation
- GWOSC – Gravitational Wave Open Science Center
- IMBH – Intermediate Mass Black Hole
- IPTA – International Pulsar Timing Array
- LI – Liquid Instrument Pty Ltd
- LIDAR – Light Detection and Ranging
- LIGO – Laser Interferometer Gravitational-Wave Observatory
- LISA – Laser Interferometer Space Antenna
- LMXB – low-mass X-ray binary
- LSC – LIGO Scientific Collaboration
- LVK – LIGO-Virgo-KAGRA Collaboration
- ML – Machine Learning
- MMA – Multi-messenger astronomy
- MOU – Memorandum of Understanding
- NSBH – Neutron Star-Black Hole system
- NSNS – Neutron Star-Neutron Star system
- O1, O2 etc – Observation Run 1, 2 etc
- PPTA – Parkes Pulsar Timing Array
- PST – Pulsar Timing Sub-element
- PTA – Pulsar Timing Array
- PWT – Parameter Waveform Table
- SKA – Square Kilometre Array
- SNR – Signal-to-Noise Ratio
- TDI – time delay interferometry
- TORPEDO – TORsion PEndulum Dual Oscillator I
- VR – Virtual Reality