Lee Fang-chih (; born 20 September 1997) is a Taiwanese badminton player. He plays men's doubles with his twin brother Lee Fang-jen. Taiwanese twins beat world No. 1 badminton pair
| 2021 | Shuangliu Sports Centre Gymnasium, Chengdu, China | Po Li-wei | He Jiting Zhou Haodong | 24–22, 12–21, 16–21 | Bronze |
Mixed doubles
| 2021 | Shuangliu Sports Centre Gymnasium, Chengdu, China | Teng Chun-hsun | Ye Hong-wei Lee Chia-hsin | 15–21, 17–21 | Silver |
Men's doubles
| 2023 | Spain Masters | Super 300 | Lee Fang-jen | He Jiting Zhou Haodong | 5–21, 12–21 | Runner-up |
| 2023 | U.S. Open | Super 300 | Lee Fang-jen | Goh Sze Fei Nur Izzuddin | 9–21, 10–21 | Runner-up |
| 2025 | Canada Open | Super 300 | Lee Fang-jen | Chang Ko-chi Po Li-wei | 21–19, 21–19 | Winner |
| 2016 | Sydney International | Lee Fang-jen | Jung Young-keun Lee Jae-woo | 10–21, 21–17, 21–13 | Winner |
| 2019 | Norwegian International | Lee Fang-jen | Steve Olesen Andreas Søndergaard | 17–21, 21–16, 21–13 | Winner |
| 2022 | Sydney International | Lee Fang-jen | Adam Dong Nyl Yakura | 21–12, 16–21, 21–16 | Winner |
| 2022 | Bendigo International | Lee Fang-jen | Chang Ko-chi Po Li-wei | 15–21, 21–14, 20–22 | Runner-up |
| 2022 | North Harbour International | Lee Fang-jen | Chang Ko-chi Po Li-wei | 21–10, 20–22, 13–21 | Runner-up |
| 2023 | Saipan International | Lee Fang-jen | Chang Ko-chi Po Li-wei | 30–29, 22–20 | Winner |
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