- 皇太子 huángtàizǐ crown princeThe prince who has been officially designated as the heir to the imperial throne
- 太子港 tàizǐgǎng Port-au-PrincePort-au-Prince, the capital, largest city, and primary seaport of Haiti
- 太子河区 tàizǐhéqū Taizihe DistrictTaizihe District of Liaoyang City, Liaoning
- 太子太保 tàizǐtàibǎo crown prince's tutor(bound form) tutor to the crown prince, an official position in imperial China dating back to the Jin Dynasty; one of several senior mentors for the heir apparent
- 太子太傅 tàizǐtàifù Grand Tutor to the Crown Princesenior official responsible for the education and guidance of the heir apparent in imperial China
- 昭明太子 zhāomíngtàizǐ Crown Prince ZhaomingXiao Tong (501–531), the eldest son of Emperor Wu of the Liang dynasty and the compiler of the [[文选|文選|wen2 xuan3]], the earliest surviving anthology of Chinese literature
- 燕太子丹 yāntàizǐdān Prince Dan of YanCrown Prince of the state of [[燕|燕|yan1]] during the Warring States period who died in 226 BC; he famously commissioned [[荆轲|荊軻|jing1 ke1]] to assassinate the King of [[秦|秦|qin2]], who later became the First Emperor [[秦始皇|秦始皇|qin2 shi3 huang2]]
- 隐太子 yǐntàizǐ Crown Prince Yinposthumous title given to Li Jiancheng, the eldest son of Emperor Gaozu of the Tang Dynasty
- 雪山太子 xuěshāntàizǐ Meili Snow MountainsA sacred mountain range in Diqing Tibetan Autonomous Prefecture, Yunnan Province; also known as the [[梅里雪山|梅里雪山|mei2 li3 xue3 shan1]]
- 圣德太子 shèngdétàizǐ Prince ShotokuPrince Shotoku (574-621), influential statesman and reformer of Japan's Asuka period, who promoted state Buddhism and is often revered as a saint.
- 章怀太子 zhānghuáitàizǐ Crown Prince ZhanghuaiCrown Prince Zhanghuai (654–684), personal name [[李贤|李賢|li3 xian2]]; the second son of Emperor Gaozong and Empress Wu Zetian of the Tang Dynasty. He is best known for leading a team of scholars to write a major commentary on the [[后汉书|後漢書|hou4 han4 shu1]].
- 太子丹 tàizǐdān Prince Dan of YanPrince Dan of Yan (died 226 BC), known for commissioning [[荆轲|荊軻|jing1 ke1]] to assassinate the King of Qin, who later became [[秦始皇|秦始皇|qin2 shi3 huang2]]
- 太子党 tàizǐdǎng princelings (historical)(literary) a political faction or clique centered around a crown prince in former times
- 太子十三峰 tàizǐshísānfēng Prince Thirteen Peaksthirteen peaks of the Meili Snow Mountains in Diqing Tibetan Autonomous Prefecture, Yunnan; also known as [[梅里雪山|梅里雪山|mei2 li3 xue3 shan1]]