Tsukiko

Tsukiko is a Japanese feminine given name, and may refer to:
 * Tsuki Amano
 * Tsukiko Sagi, a character in Paranoia Agent
 * Tsukiko, a character in The Order of the Stick webcomic
 * Tsukiko Tsutsukakushi (筒隠 月子), a character in The "Hentai" Prince and the Stony Cat