Heo Jun (Korean: 허준; Korean pronunciation: [hʌ.dʑun] or [hʌ] [tɕun]; born 31 May 1988) is a South Korean foil fencer.

He is the four-time Asian champion (individual and team).

He won a bronze medal at the 2011 Summer Universiade in Shenzhen.

Heo is a graduate of Daegu University.

This biographical article related to fencing in South Korea is a stub.