Frisian language may refer to:

  • The Frisian languages, a closely related group of six Germanic languages:
  • West Frisian languages (<code>fry</code>), a family of four Frisian languages spoken in the Netherlands and often known there simply as the Frisian language
  • Hindeloopen Frisian, spoken in the city of Hindeloopen and the village of Molkwerum in the Netherlands
  • Schiermonnikoog Frisian, spoken on the island of Schiermonnikoog, Netherlands
  • Terschelling Frisian, spoken on the island of Terschelling, Netherlands. Terschelling Frisian and Westlauwers Frisian together form the Westlauwers–Terschellings language family
  • Westlauwers Frisian (<code>fry</code>), or Western Frisian, spoken throughout West Frisia more than any of the other West Frisian languages.
  • Saterland Frisian (<code>stq</code>), or East Frisian language, spoken in Lower Saxony, Germany
  • North Frisian (<code>frr</code>), spoken in Schleswig-Holstein, Germany
  • East Frisian Low Saxon (<code>frs</code>), the West Low German dialect of East Frisia, Lower Saxony, Germany. The name Frisia specifically refers to the region not its provenance, as the dialect is not a Frisian dialect but a Saxon one.