Zenzo Shimizu (清水 善造, Shimizu Zenzō, 25 March 1891 – 12 April 1977), also spelt Zenzo Shimidzu, was a male tennis player from Japan. Shimizu graduated from the Tokyo Higher Commerce School (now Hitotsubashi University). In 1912 he started to work for Mitsui & Co.. He married the daughter of Sohōka. He resided in Calcutta and New York. In 1929 he was transferred to Mitsui Life Insurance Co., became the manager of Kobe Branch, in 1945 the director thereof and also therefore was expelled from his official position after World War II. He was running a trading company in Kobe thereafter. In 1965 he collapsed from a stroke. In 1977 he died in Osaka at the age of 86.