ONS

ONS or Ons may refer to:


 * ONS (TV channel), Netherlands and Belgium
 * ONS ONE SHOT, the strongest alliance of the game March of Empire
 * Ons Island, Spain
 * Ons Jabeur, Tunisian tennis player
 * Oberste Nationale Sportbehörde ('Supreme National Sports Authority'), German body now named Deutscher Motor Sport Bund
 * Object Naming Service, similar to Domain Name Service (DNS)
 * Occipital nerve stimulation, a medical treatment
 * Office for National Statistics, UK
 * National Office of Statistics (Office National des Statistiques), Algeria
 * Oncology Nursing Society, U.S.
 * One-night stand
 * Onslow Airport (IATA code), Australia
 * Order of Nova Scotia, a civilian honor
 * Original Night Stalker, an American serial killer
 * Oulu Nice Soccer, a football club in Finland