Frisian
- East Friesian sheep
- East Frisian (disambiguation)
- Friesan Fire
- Friesian (chicken)
- Friesian Sporthorse
- Friesian horse
- Frisia
- Frisian Solar Challenge
- Frisian cuisine
- Frisian languages
- Frisians
- Frisii
- Holstein Friesian cattle
- Jakob Friedrich Fries
- Middle Frisian
- North Frisian language
- Old Frisian
- Saterland Frisian language
- West Frisian (disambiguation)
- West Frisian language