Liu Jianjun (Chinese: 刘坚军; born January 5, 1969 Ningbo) is a male Chinese badminton player who played internationally in the 1990s.

Liu shared a number of mixed doubles titles on the world circuit. He won the China (1991), French (1992), and Thailand (1993) Opens with Wang Xiaoyuan, and the Asian Championships (1995) with Ge Fei. Liu was a bronze medalist at the 1996 Atlanta Olympics with yet another partner, Sun Man.

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result
1996	GSU Sports Arena, Atlanta, United States	Sun Man	Chen Xingdong Peng Xingyong	7–15, 15–4, 15–8	Bronze

Mixed doubles

Year	Venue	Partner	Opponent	Score	Result
1995	Malley Sports Centre, Lausanne, Switzerland	Ge Fei	Jens Eriksen Helene Kirkegaard	5–15, 3–15	Bronze

Mixed Doubles

Year	Venue	Partner	Opponent	Score	Result
1994	Shanghai Gymnasium, Shanghai, China	Wang Xiaoyuan	Chen Xingdong Sun Man	1–15, 11–15	Silver
1995	Olympic Sports Centre Gymnasium, Beijing, China	Ge Fei	Jiang Xin Zhang Jin	15–4, 12–15, 15–5	Gold

Mixed Doubles

Year	Venue	Partner	Opponent	Score	Result
1994	Beijing Gymnasium, Beijing, China	Ge Fei	Aryono Miranat Eliza Nathanael	15–4, 13–15, 15–10	Gold
1995	Xinxing Gymnasium, Qingdao, China	Sun Man	Kim Dong-Moon Gil Young-Ah	15–11, 7–15, 15–10	Gold

The World Badminton Grand Prix sanctioned by International Badminton Federation (IBF) from 1983 to 2006.

Mixed Doubles

Year	Tournament	Partner	Opponent	Score	Result
1991	China Open	Wang Xiaoyuan	Zheng Shoutai Sun Man	9–15, 15–10, 15–13	Winner
1992	French Open	Wang Xiaoyuan	Chen Xingdong Sun Man	18–17, 12–15, 15–4	Winner
1993	Thailand Open	Wang Xiaoyuan	Chen Xingdong Sun Man	15–5, 15–11	Winner
1994	Malaysia Open	Ge Fei	Jan-Eric Antonsson Astrid Crabo	9–15, 11–15	Runner-up
1995	Korea Open	Ge Fei	Thomas Lund Marlene Thomsen	4–15, 15–18	Runner-up
1995	Hong Kong Open	Sun Man	Park Joo-Bong Shim Eun-Jung	8–15, 15–2, 14–17	Runner-up
1996	Chinese Taipei Open	Sun Man	Michael Sogaard Rikke Olsen	3–15, 15–7, 12–15	Runner-up

• Liu Jianjun at databaseOlympics.com
• Liu Jianjun at BWFBadminton.com
• Liu Jianjun at BWF.TournamentSoftware.com (archived)
• Liu Jianjun at Olympics.com
• Liu Jianjun at the Chinese Olympic Committee (archived)
• Liu Jianjun at Olympedia