QS may refer to:
QS World University Rankings is an annual publication of university rankings by Quacquarelli Symonds (QS).
Glutamine Serine Rich Protein 1 or QSER1 is a protein encoded by the QSER1 gene.The function of this protein is currently unknown.
A QSL card is a written confirmation of either a two-way radiocommunication between two amateur radio stations; a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station; or the reception of a two-way radiocommunication by a third party listener.
In amateur radio Morse code operations, QSK or full break-in operation describes an operating mode in which the transmitting station can detect signals from other stations between the elements (dots and dashes) or letters of the Morse transmission.
The QSZ-92 (Chinese: 92式手枪; pinyin: Jiǔ Èr Shí Shoǔqiàng or Jiǔ Shí Èr Shi Shoǔqiàng; literally: 'Type 92 Handgun') is a semi-automatic pistol designed by Norinco.
QSound is the original name for a positional three-dimensional (3D) sound processing algorithm from QSound Labs that creates 3D audio effects from multiple monophonic sources and sums the outputs to two channels for presentation over regular stereo speakers.
QSC is an American manufacturer of audio products including power amplifiers, loudspeakers, digital mixers and digital signal processors including the Q-Sys networked audio, video and control platform.