Dong-ha

Dong-ha, also spelled Tong-ha, is a Korean given name.
People with this name include

Lee Dong-ha, South Korean novelist
Jung Dong-ha, South Korean singer, member of rock band Boohwal

Fictional characters with this name include:

Kang Dong-ha, in 2006 South Korean television series One Fine Day
Park Dong-ha, in 2009 South Korean film A Season of Good Rain
Seo Dong-ha, im 2014 South Korean television series ''Golden Cross''