Taiwanese may refer to:
- of or related to Taiwan
- Languages of Taiwan
- Formosan language
- Taiwanese Hokkien, or other Taiwanese languages
- Taiwanese people, residents of Taiwan or people of Taiwanese descent
- Taiwanese indigenous peoples, or Formosan peoples, formerly called Taiwanese aborigines
- Han Taiwanese, Taiwanese people of full or partial ethnic Han descent
- Hoklo Taiwanese, Taiwanese people of full or partial ethnic Hoklo descent