Zhang Zhanshuo (Chinese: 张展硕, born 14 May 2007) is a Chinese swimmer.

[1] He won gold medals in the 4 × 100-metre freestyle and 4 × 200-metre freestyle relays at the 2024 World Championships in Doha, Qatar.

[2][3] At the 2023 World Junior Championships, he became the fastest age 16 and under swimmer in history in the 400-meter individual medley.

[4] His time of 4:12.44 won him the silver medal.

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