| Meaning | rejoice |
| Origin | Chinese, Latin, Welsh |
| Gender | gender neutral |
| Opposite gender | Cai |
| Popularity | Moderate |
| Length | 3 |
| Syllables | 1 |
| Syllabification | Cai |
This compact three-letter name carries remarkable strength despite its brevity. Cai presents a modern sensibility while maintaining timeless appeal, making it suitable for any era or setting. The name's simplicity ensures easy pronunciation across multiple languages and cultures, eliminating common spelling confusion. Parents seeking something distinctive yet accessible often find Cai strikes the perfect balance. Its short form translates beautifully into both casual and professional environments, aging gracefully from playground to boardroom. The name projects confidence without pretension, offering a clean slate for a child to build their own identity. Cai's rarity in many regions provides uniqueness without veering into unfamiliar territory, and its straightforward spelling means a lifetime free from constant corrections and clarifications.
| Cal |
| Cap |
| Cay |
| Cash |
| CJ |
| Cai Guo-Qiang | Chinese artist known for his explosive art installations |
| Cai Yalin | Chinese basketball player who competed in the 2000 Sydney Olympics |
| Cai Xukun | Chinese singer, actor, and model, known for his role in "Idol Producer" |
| Cai Yi | Chinese table tennis player and Olympic gold medalist |
| Cai Hesen | Chinese revolutionary and founding member of the Chinese Communist Party |
| Cai Zhenhua | Chinese former table tennis player and sports administrator |
| Cai Huangru | Chinese composer and conductor |
| Cai Lun | Chinese eunuch and inventor of papermaking during the Han Dynasty |
| Cai Yan | Chinese poet and musician from the Three Kingdoms period |
| Cai Shangjun | Chinese film director and screenwriter |
| Cai Baoxing | Chinese politician and former Vice Minister of Housing and Urban-Rural Development |
| Cai Qirui | Chinese actor known for his role in "Young Style" |
| Cai Jing | Chinese scholar and official during the Song Dynasty |
| Cai Shujun | Chinese footballer who played as a goalkeeper |
| Cai Weijia | Chinese television host and actor |
| Cai Kangyong | Chinese television host and singer |
| Cai Yilin | Chinese figure skater and Olympic competitor |
| Cai Ziyun | Chinese singer and member of the boy band "NEXT" |
| Cai Zhong | Chinese badminton player and Olympic silver medalist |
| Cai Xinyi | Chinese water polo player and Olympic competitor |
| Cai Wenji | A character from the video game "Dynasty Warriors" |
| Cai Yuanpei | A character from the Chinese drama "Young Marshal" |
| Cai the Ice King | A character from the book series "The Runelords" by David Farland |
| Caiaphas | A character in Andrew Lloyd Webber's musical "Jesus Christ Superstar" |
| Cai Cai | A character from the animated series "Three Little Pigs" |
| Cai Yi | A character from the Chinese novel "The Water Margin" |
| Cai Songpo | A character from the Chinese drama "Longest Day in Chang'an" |
| Cai Zongming | A character from the Chinese TV series "Battle of Changsha" |
| Cai Renxiang | A character from the Chinese drama "Scarlet Heart" |
| Cai Juntao | A character from the Chinese TV series "Nirvana in Fire" |
| Cai Heng | A character from the Chinese drama "Sword Dynasty" |
| Cai Yong | A character from the Chinese TV series "Three Kingdoms" |
| Cai Jiadong | A character from the Chinese TV series "You Are My Destiny" |
| Cai Lun | A character from the Chinese animated series "The King's Avatar" |
| Cai Ming | A character from the Chinese TV series "Across the Ocean to See You" |