Flagler may refer to:
Places Flagler, Colorado Flagler County, Florida, named for Henry Morrison Flagler Flagler Beach, Florida Cape John Flagler, Greenland
People with the surname Adam Flagler (born 1999), American basketball player Henry Morrison Flagler, American businessman responsible for development of much of the Florida East Coast. Terrence Flagler, American football player Thomas T. Flagler, American politician
Other uses Whitehall (Henry M. Flagler House), currently houses the Henry Morrison Flagler Museum Flagler College, a private college in Florida named for Henry Morrison Flagler, located on part of his estate Flagler train or Dixie Flagler