Monomoy usually refers to Monomoy Island off of the coast of Cape Cod, Massachusetts. It may also refer to:

  • Monomoy Island Gunnery Range
  • Monomoy National Wildlife Refuge
  • Monomoy Wilderness inside the MNWR
  • Monomoy Point Light in Chatham, Massachusetts
  • Monomoy Shoals off the coast
  • Monomoy Regional High School, serving Harwich and Chatham, Massachusetts

Ships

  • USS Monomoy (AG-40), a cargo ship of the US Navy commissioned in 1918 and eventual US Coast Guard Cutter
  • USCGC Monomoy (WAG-275), the former USS Monomoy
  • USCGC Monomoy (WPB 1326), a US Coast Guard Cutter commissioned in 1989