Donghae

Donghae may refer to:


 * East Sea, the South Korean name of the Sea of Japan
 * Donghae Expressway, the name of the expressway in South Korea
 * Donghae Line, a railway line in Busan, South Korea
 * Donghae City, in South Korea
 * Donghae-class corvette, a class of four ships of navy of South Korea
 * Lee Donghae (born 1986), member of K-pop boy band, Super Junior