Kyaw San or Kyaw Hsan () is a Burmese politician and the current mayor of Mandalay, the second-largest city in Myanmar. He also serves as the minister of the Ministry of Municipal Affairs in the Mandalay Region Government under Maung Ko. Previously, he served as Regional Minister of Road Transport from 2011 to 2016.
Following the coup d'état on February 1, 2021, the State Administration Council appointed Kyaw San as mayor. After the formation of the caretaker government on August 1, 2021, the mayors of Yangon and Mandalay were appointed as municipal ministers in the reformation of state and region governments.