Taiwanese may refer to:
- Things of or pertaining to Taiwan (the Republic of China)
- Taiwanese aborigines, the indigenous people of Taiwan who inhibit the island thousand years ago.
- Taiwanese people, residents of Taiwan or people of Taiwanese descent
- Taiwanese Hokkien, a variant of Min Nan and most widely spoken vernacular in Taiwan
- Formosan languages, the languages spoken by Austronesian aboriginals in Taiwan
- Culture of Taiwan