The John F. Kennedy School of Government, commonly referred to as Harvard Kennedy School (HKS), is the school of public policy of Harvard University, a private university in Cambridge, Massachusetts.

Harvard Kennedy School offers master's degrees in public policy, public administration, and international development, four doctoral degrees, and various executive education programs. It conducts research in subjects relating to politics, government, international affairs, and economics. As of 2021, HKS has an endowment of $1.7 billion. It is a member of the Association of Professional Schools of International Affairs (APSIA), a global consortium of schools that trains leaders in international affairs.

The primary campus of Harvard Kennedy School is on John F. Kennedy Street in Cambridge. The main buildings overlook the Charles River and are southwest of Harvard Yard and Harvard Square, on the site of a former MBTA Red Line train yard. The School is adjacent to the public riverfront John F. Kennedy Memorial Park.

Harvard Kennedy School alumni include 21 heads of state or government from around the world. Alumni also include cabinet officials, military leaders, heads of central banks, and legislators.