Roumeli may refer to:

• Rumelia, a historical term describing the area now referred to as the Balkans (Balkan Peninsula) when it was administered by the Ottoman Empire
• Central Greece or Roumeli, used since Ottoman times to refer to Central Greece, especially when juxtaposed with the Peloponnese or Morea
• Rumeli, used in some cases (mostly by Istanbul denizens) to refer exclusively to the part of Istanbul Province that is situated west of the Bosphorus