Dong-joo is a Korean male given name.
People with this name include:
Yun Dong-ju (1917–1945), Korean poetKim Dong-joo (born 1976), South Korean baseball playerFictional characters with this name include:
Cha Dong-joo, in 2011 South Korean television series Can You Hear My HeartHan Dong-joo, in 2004 South Korean television series Stained GlassHan Dong-joo, in 2011 South Korean television series Paradise RanchKang Dong-joo in 2012 South Korean film Never Ending StoryPark Dong-joo, in 2010 South Korean television series My Girlfriend Is a Nine-Tailed FoxPark Dong-joo, in 2014 South Korean television series Angel Eyes