- Breidaskardshnukur, a peak in Westfjords
- Breidufjoll, a hill in Westfjords
- Breidur, a hill in Westfjords
- Flogutindur, a peak in East
- Flokadalur, a valley in Northwest
- Flotavatn, a lake in Northeast
- Flotufjoll, a peak in East
- Flugufell, a hill in East
- Flugumyrarhvammur in Northwest
- Flugustadadalur, a valley in East
- Flugustadir in East
- Forvadi in East
- Foss in Northwest
- Fossa, a stream in Northwest
- Fossardalur, a valley in East
- Fossardrog, a headwaters in Northeast
- Fossarfell, a hill in East
- Fossartunga, a slope in East
- Fossdalur, a valley in Northeast
- Fossgerdi in East
- Fossheidi, a heath in East
- Fossvik, a cove in Northwest
- Framnes in Northwest
- Fremrasel in East
- Fremravatn, a lake in Northeast
- Fremri-Hals, a slope in Northeast
- Fremri-Hruta, a stream in East
- Fremri-Nypur in East
- Fremsta-Rjukandi, a stream in East
- Freysholar in East
- Fridufell, a hill in East
- Frokkudalur, a valley in East
- Frostastadir in Northwest
- Fuglabjargaa, a stream in East
- Fuglabjargavatn, a lake in East
- Fuinhyrna, a promontory in Northwest
- Fulasker, a rock in Northeast
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- Fulavik, a cove in Northeast
- Fulukinnarrani, a spur in Northwest
- Fylaskalahnjukar, a peak in Northeast
- Mogilshals, a hill in East
- Mohals, a hill in East
- Mohryggur, a ridge in East
- Mokollsstadir in Northeast
- Molastadir in Northwest
- Moldaras, a ridge in East
- Mor in Northwest
- Moraudumelar, a plain in East
- Mosdalur, a valley in East
- Mosgerdi in Northwest
- Mosgil, a gorge in Northwest
- Moskogar in Northwest
- Mosvallaheidi, a heath in East
- Motungutindur, a peak in East
- Mulahraun, a hill in East
- Mular, a hill in East
- Mulastekkur in East
- Muli, a hill in East
- Mynes in East
- Myrafellstindur, a peak in East
- Myrakot in Northwest
- Myrar in Northwest
- Myrarkot in Northeast
- Myrnatangi, a spit in South
- Naddamuli, a hill in Northeast
- Naphorn, a headland in East
- Narfastadir in Northwest
- Nattagi, a grazing area in Northeast
- Njall og Bera, a peak in East
- Njardartun in East
- Njorfatindar, a peak in East
- Vikurall, a valley
- Vondadalsvatn, a lake in Westfjords
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