Shiki may refer to:
- Shiki, Saitama, Japan
- Shiki District, Afghanistan
- Shiki District, Nara, Japan
- Shiki language
- Shiki Theatre Company, a Japanese theatre company
- Masaoka Shiki, a Japanese haiku and tanka poet
- Shiki (novel series), a horror novel by Fuyumi Ono, adapted into a manga and anime series
- Shiki (Samurai Shodown), a video game character
- Shiki Tohno, a videogame character from Tsukihime
- Shiki Ryougi, a character from Kara no Kyoukai
- Shiki Misaki, a videogame character from The World Ends With You
- Shiki Nanaya, another videogame character from Tsukihime
- Senri Shiki, a character from Vampire Knight anime and manga series
- Shiki, a character from the Nitroplus Yaoi/BL (Boys Love) PC Game, Togainu no Chi