Family name Daiyi (代义 
, Daiyi 
) , globally, is a rare last name. The surname Daiyi is habitual in China, where it is a very rare surname, Nigeria, where it is an extremely rare surname, and Venezuela. Measured by absolute frequency, it is the most numerous in China, Nigeria, and India. More prevalently, Daiyi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 代义 | China |
| Daiyi | Nigeria, United States, Singapore, India, China |
Даийи, 代一, 代亦, 代亿, 代仪, 代依, 代医, 代奕, 代宜, 代屹, 代忆, 代怡, 代意, 代懿, 代旖, 代易, 代毅, 代熠, 代益, 代羿, 代翼, 代艺, 代谊, 代轶, 代逸, 代遗, 岱一, 岱义, 岱仪, 岱佚, 岱奕, 岱宜, 岱怡, 岱懿, 岱易, 岱毅, 岱沂, 岱翊, 岱译, 岱轶, 岱邑, 带义, 带仪, 带宜, 带异, 带怡, 带衣, 待义, 待毅, 待逸, 戴一, 戴义, 戴仪, 戴伊, 戴依, 戴怡, 戴易, 戴毅, 戴熠, 戴逸, 戴镒, 歹一, 殆译, 玳伊, 玳宜, 玳艺, 贷峄, 迨奕, 迨宜, 黛一, 黛义, 黛以, 黛仪, 黛依, 黛宜, 黛忆, 黛怡, 黛旖, 黛沂, 黛燚, 黛祎, 黛禕, 黛艺, 黛驿, and 黱繄