The Caesar Syria Civilian Protection Act of 2019, also known as the Caesar Act, is United States legislation that sanctions the former Syrian government, including the former Syrian president Bashar al-Assad, for war crimes against the Syrian population. The Act was signed into law by President Trump in December 2019, and came into force on June 17, 2020

A number of Syrian operated industries, including those related to infrastructure, military maintenance and energy production, are targeted. The act also targets individuals and businesses who provide funding or assistance to the former president of Syria.