Kozo Watanabe may refer to:
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Kozo Watanabe (engineer) (born 1942), Japanese automotive engineer for Nissan
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Kōzō Watanabe (Democratic Party politician)
was a Japanese politician of the Democratic Party of Japan, a member of the House of Representatives in the Diet (national legislature). A native of Tajima, Fukushima and graduate of Waseda University, he was elected to the first of his two term ...
(born 1932), Japanese politician
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Kōzō Watanabe (Liberal Democratic Party politician) (1942–2007), Japanese politician
{{hndis, Watanabe, Kozo