Sang Sinxay (Lao: ສັງສິນໄຊ, also known as Sinxay or Sinsai),[lower-alpha 1] is a Lao epic poem written by Pang Kham.[1][2] It tells the story of the hero Sinxay (ສິນໄຊ) who goes on a quest to rescue his aunt Soumountha (ສູມຸນທາ) who was abducted by the demon Nyak Koumphan (ຍັກກູມພັນ).