Jowen Lim Si Wei (Chinese: 林思韦; pinyin: Lin Siwei; born: January 6, 1999) is a Singaporean wushu taolu athlete.

[5] A year later, he competed in the men's daoshu and gunshu combined event at the 2018 Asian Games and missed the bronze medal by 0.01.

Lim's first major competition after the start of the COVID-19 pandemic was at the 2021 Southeast Asian Games (hosted in 2022), where he won silver medals in changquan as well as daoshu and gunshu combined.

[9][10] A few months later, he competed in the 2022 World Games and won the silver medal in daoshu and gunshu combined.

[11] Lim was then chosen alongside fencer Amita Berthier as the flagbearers for the 2022 Asian Games held in Hangzhou, China,[12] and then won the silver medal in men's daoshu and gunshu at the event.