Roseau is the capital of Dominica.

Roseau, Roseaux or Rosseau may also refer to:

Roseau[edit]

• A type of common reed, or phragmite
• Roseau River (Dominica), the river that runs through the city
• Roseau, Saint Lucia, a town on the island
• Roseau Valley, in St. Lucia
• Roseau River (Saint Lucia), a river in Saint Lucia
• Roseau, Minnesota, a city in Roseau County, Minnesota, USA
• Roseau Lake, a lake in Roseau County, Minnesota, USA
• Roseau County, Minnesota
• Roseau River Anishinabe First Nation, in Manitoba, Canada
• Roseau River (Manitoba), a tributary of the Red River of the North in Manitoba and Minnesota

Roseaux[edit]

(plural of Roseau in French)

• Roseaux, municipality in the Corail Arrondissement, in the Grand'Anse Department of Haiti
• Roseaux (band), French music project
  • Roseaux (album), debut album of above band

Rosseau[edit]

• Rosseau, Cavaellon, Haiti, a village in Haiti
• Rosseau, Ohio, an unincorporated community
• Rosseau, Ontario, a community in Ontario, Canada
• Lake Rosseau, a lake in Ontario, Canada
• Gail Rosseau, an American surgeon
• Jacques Rosseau, a French canoeist