Kikuko, Princess Takamatsu (????????, Nobuhito Shinnohi Kikuko), born Kikuko Tokugawa (?????, Tokugawa Kikuko, 26 December 1911 – 18 December 2004), known informally as Princess Kikuko, was a member of the Japanese Imperial Family.
The Princess was the widow of Prince Takamatsu, the third son of Emperor Taisho and Empress Teimei.
She was, therefore, a sister-in-law of Emperor Showa and an aunt of the previous emperor, Akihito.
She was mainly known for philanthropic activities, particular her patronage of cancer research organizations.
At the time of her death, Princess Takamatsu was the oldest member of the Imperial Family.