Peconic

Peconic may refer to:

• Peconic, New York, a hamlet in Suffolk County, New York
• Peconic Bay, two bodies of water between the North Fork and the South Fork of Long Island, New York
  • Great Peconic Bay, the body of water between the North Fork and the South Fork of Long Island, New York
  • Little Peconic Bay
• Peconic Bay Medical Center, in Riverhead, New York
• Peconic County, New York, a proposed new county in New York
• Peconic River, a tributary of Peconic Bay in Suffolk County, New York
• USS Peconic (AOG-68), a United States Navy ship