The voiceless labiodental fricative is a type of consonantal sound used in a number of spoken languages.

The symbol in the International Phonetic Alphabet that represents this sound is ⟨f⟩.

Some scholars also posit the voiceless labiodental approximant distinct from the fricative.

Features of the voiceless labiodental fricative: xw Weer Symbols to the right in a cell are voiced, to the left are voiceless.

Shaded areas denote articulations judged impossible.