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.
Turning over a communications channel is the change in communications protocol transmission status that occurs when a transmitting station releases transmitting control of a communications channel thus turning it over to allow another station to transmit.
A QSL card is a written confirmation of either a two-way radiocommunication between two amateur radio stations or a one-way reception of a signal from an AM radio, FM radio, television or shortwave broadcasting station.
The Quad Small Form-factor Pluggable (QSFP) is a compact, hot-pluggable transceiver used for data communications applications.
Qstock is an annual two-day rock festival held at the end of July in Oulu, Finland.