Suffolk (disambiguation)

Suffolk is one of the Counties of England. 

Suffolk may also refer to:

In geography:
 Canada:
 Suffolk Township, now Saint-Émile-de-Suffolk, Quebec
 Ireland:
 Suffolk, Belfast
 England:
 Suffolk (UK Parliament constituency)
 United States:
 Suffolk, Mississippi, in Franklin County, Mississippi
 Suffolk, Montana, in Fergus County, Montana
 Suffolk, Virginia, an independent city in eastern Virginia
 Suffolk County, Massachusetts
 Suffolk County, New York

In ships:
 HMS Suffolk, one of five ships, so named, of the British Royal Navy
 USS Suffolk (AKA-69), an attack cargo ship of the United States Navy

In fauna:
 Suffolk (sheep), black-faced, open-faced breed of domestic sheep 
 Suffolk Punch, one of England's oldest breed of draft horse

In other:
 Earl of Suffolk, a title that has been created four times in the Peerage of England
 Duke of Suffolk, a title that has been created three times in the Peerage of England
 Suffolk Downs, a thoroughbred race track in East Boston, Massachusetts
 Suffolk University, a college in Boston. MA