Hydrops may refer to:

• Hydrops (/ˈhaɪdrɒps/ HI-drops), the excessive accumulation of serous fluid in tissues or cavities of the body, corresponding to any of various conditions, depending on characteristics and anatomic site, including:
  • Most generally
    • Edema (hydropsy, dropsy)
      • Anasarca, a severe and widespread form of edema
    • Ascites, fluid buildup in the abdomen
    • Effusion (medical senses)—see Effusion (disambiguation)
  • More specifically
    • Endolymphatic hydrops, edema in the inner ear, present in Ménière's disease
    • Cochlear hydrops, a variant of Meniere's disease/Endolymphatic Hydrops without vertigo.
    • Hydrops fetalis, edema in a fetus
    • Corneal hydrops, humoral edema of the eye

• Hydrops (snake), a dipsadid snake genus