ADSS

ADSS can stand for:
 * Actes et documents du Saint Siège relatifs à la Seconde Guerre Mondiale Papal documents during the Second World War
 * ADSS (ADS Securities), a private financial services firm headquartered in Abu Dhabi
 * Alberni District Secondary School, a high school in British Columbia Canada
 * All-dielectric self-supporting cable, a type of fibre optic cable used by electrical power transmission companies
 * Adenylosuccinate synthase, an enzyme