HLSS
# HLSS

HLSS can refer to:

* Half-Life Sound Selector, a program that allows users to play audio files using voice communication on games developed by Valve.
* Heart Lake Secondary School, a high school in Brampton, Ontario, Canada
* Hopscotch Lollipop Sunday Surprise, a 2001 album by The Frogs
* School of Humanities, Languages and Social Sciences (UWE), Bristol
