Chang Jung-yeon (born 6 April 1977) is a female javelin thrower from South Korea. Her personal best throw is 60.92 metres, achieved in April 2004 in Jeonju.

Achievements

Year	Competition	Venue	Position	Notes
Representing  South Korea
2002	Asian Games	Busan, South Korea	5th	54.66 m
2003	Asian Championships	Manila, Philippines	2nd	53.23 m
	Afro-Asian Games	Hyderabad, India	7th	51.19 m
2004	Olympic Games	Athens, Greece	36th (q)	53.93 m