Family name 當 (當 
, ตึ๊ง) , throughout the world, is quite a rare surname. The last name 當 is characteristic of Eastern Asia, particularly China, where it is a rare surname. Very seldom, 當 is the forename as well as the last name.
當', 山広幸, 山佐京, 初哋選萚, 初我背著妳愛了他, 初 旳幼稚, 年信 蒾風, 前 唯一, 嬡凊芣侢唍羙 灬, 小華戀愛時, 嬡巳荿暀倳, 時 如果, 時 月亮, 時的選擇, 旺 拉拉拉, 我 吥侟洅, 愛失去了默契, 愛成依賴, 愛變誠習慣, 時明月, 溡哋箹萣 始终 够, 小指遇上尾戒, 天長遇上地久, 局者, 柋宏人, 涐禧歡丄, 機立斷, 當壹號, 今聖上, 家滴, 局者迷, 夢醒之前, 倖諨來敲門, 時年少, 時 年少, 淚 落下时, 當大迷糊, 莳銧縕暖,- 你得双手, 荭小琪, 自強, 魚想水時, 時只道是, and 真也許