XS may refer to:
Arts and entertainment
- XS (character), a DC Comics superheroine
- XS (manhwa), a South Korean comic by Song Ji-hyung ()
- XS (radio station), a defunct station in Neath Port Talbot, Wales
- "XS" (song), a 2020 song by Rina Sawayama
- XS (video game), a 1997 FPS game made by GT interactive
- Xiaolin Showdown, an American animated television series
- XS: The Opera Opus (1984-86), a no wave opera
- PTS XS, a Taiwanese television channel
Science, technology, and mathematics
- XS (Perl), an interface through which computer programs written in Perl can call C language subroutines
- Yamaha Motif, a series of synthesizers
- XS (EVS), a production server of EVS Broadcast Equipment
- Para-Ski XS, a Canadian powered parachute design
- Cross section (geometry)
- iPhone XS, a smartphone produced by Apple Inc.
Other uses
- XS Energy Drink, drinks produced by AMWAY
- XS (nightclub), located at the Encore hotel in Las Vegas
- Xavier School, a secondary school in San Juan, Metro Manila, Philippines
- Extra Small (XS), a size of clothing
See also
- Excess (disambiguation)
- X's (disambiguation)