Tuan

Tuan may refer to:


 * Brush-tailed phascogale, an Australian marsupial animal also known as tuan
 * Zaiyi (1856–1923), Prince Duan (or Prince Tuan), a Qing Dynasty prince and statesman
 * Duan (surname), a Chinese surname spelled as Tuan in the older Wade–Giles romanisation
 * Tuan mac Cairill, a figure in Irish mythology
 * Tuan (band), an Irish music band formed by Brendan McFarlane
 * Tuan Tuan and Yuan Yuan, giant pandas sent by mainland China to Taiwan in 2008
 * Tuan, a respectful Malaysian term meaning "Sir"
 * Tuan, a Sri Lankan first name originating from the Malaysian term for "Sir" and used by Sri Lankans of Malay origin