Rhamnus

Rhamnus may refer to:
 * Rhamnus (city), or Rhamnous, an ancient Greek city in Attica
 * Rhamnus (Crete), or Rhamnous, an ancient Greek town in Crete
 * Rhamnus, an augur killed by Nisus and Euryalus in book IX of The Aeneid
 * Rhamnus (plant) or buckthorns, a plant genus
 * 9316 Rhamnus, a main-belt asteroid discovered in 1988
 * Mount Rhamnus, a mountain in Antarctica