XS

XS may refer to:

Arts and entertainment

• XS (comics), a DC Comics superheroine
• XS (manhwa), a South Korean comic by Song Ji-Hyung (송지형)
• XS (video game), a 1997 FPS game made by GT interactive
• Xiaolin Showdown, an American animated television series

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)

Other uses

• XS Energy Drink
• XS, a nightclub at the Encore Las Vegas
• Xavier School, a secondary school in San Juan, Metro Manila, Philippines
• Extra Small (XS), a size of clothing as defined in the European clothing-size standard EN 13402