Toshimichi Takatsukasa (鷹司 平通 Takatsukasa Toshimichi?, 26 August 1923 – 27 January 1966), son of Duke Nobusuke, was a Japanese researcher of trains. He worked at TEI Park, a museum in Tokyo. He married the third daughter of Emperor Hirohito, Princess Kazuko; they adopted a son from Ogyū-Matsudaira, Naotake.
On 28 January 1966, Toshimichi Takatsukasa was found dead of carbon monoxide poisoning at the apartment of his mistress, Michiko Maeda, a Ginza nightclub hostess, giving rise to widely speculative rumors in the Japanese press about his alleged double suicide, with his death Tokugawa Yoshinao's descendant came to second end.