Mez Tharatorn
- Place of birth: Bangkok, Thailand
- Also know as: เมษ ธราธร
Mez Tharatorn (Thai: เมษ ธราธร) is a Thai screenwriter and director. He started off as a screenplay writer for several films. In 2012, he made his solo directorial debut with ATM: Er Rak Error, which grossed over 150 million baht and became Thailand’s highest gross box office of that year.
