KSS

KSS can refer to:

• Basketball Federation of Serbia (Кошаркашки Савез Србије / Košarkaški Savez Srbije)
• Communist Party of Slovakia (Komunistická strana Slovenska)
• Kelowna Secondary School in British Columbia, Canada
• Kearn-Sayre syndrome, a disease caused by mitochondrial DNA deletion
• Kirby Super Star, SNES game, 1996
• Kirby: Squeak Squad, Nintendo DS game, 2006
• Knightswood Secondary School in Scotland, United Kingdom
• KSS (company) (ケイエスエス^?), a Japanese anime studio.
• KSS Design Group, architects
• Kristiania Sporveisselskab, a defunct tram company in Oslo, Norway
• Kudumbi Seva Sanghom, Indian organisation
• Kwalikum Secondary School in British Columbia, Canada
• Suleiman the Magnificent (Kanuni Sultan Süleyman), 10th sultan of Ottoman Empire
• The post nominal letters for a papal Knight of the Order of St. Sylvester