Lee Don-ku (Korean: 이돈구 born February 7, 1988) is a South Korean professional ice hockey defenceman.

He is playing for HL Anyang of Asia League Ice Hockey.

[1] He previously played 4 years for Yonsei University.

He has been a member of the South Korean national ice hockey team since 2009.

This South Korean biographical article relating to ice hockey is a stub.