Zaysan or Zaisan (Cyrillic: Зайсан) can refer to: Lake Zaysan in eastern Kazakhstan Zaysan (town) or Zaisan, Kazakhstan Zaysan District in East Kazakhstan Province, Kazakhstan Zaisan Airport, Kazakhstan Zaisan Bridge in Ulaanbaatar, Mongolia Zaisan Memorial in Ulaanbaatar, Mongolia Zaisan (title)
See also Zaisan mole vole