Zuo Caiyun (born 7 February 1996) is a Chinese para-athlete specializing in javelin throw. She represented China at the 2024 Summer Paralympics.
She represented China at the 2024 World Para Athletics Championships and won a silver medal in the javelin throw F34. As a result, she qualified for the 2024 Summer Paralympics. At the 2024 Summer Paralympics she won a silver medal in the javelin throw F34 event.