Katakana Phonetic Extensions 31F0—31FF
- Number of characters: 16
- type: syllabary
- Languages: japanese, okinawan, ainu, palauan
- Countries: Peru, North Korea, Japan, Guam, Taiwan, South Korea
Katakana Phonetic Extensions is a Unicode block containing additional katakana characters for writing the Ainu language, in addition to characters in the .
Text is also available in the following languages: Русский;