The X from Outer Space (宇宙大怪獣ギララ Uchū Daikaijū Girara?, Giant Space Monster Guilala) is a 1967 kaiju film released by the Japanese film studio Shochiku. It is the first of its kind released by Shochiku, and was one of the many giant monster films made during the late '60s "monster boom" in Japan. 1967 saw the release of a monster film from each of the big studios.

The film was directed by Kazui Nihonmatsu and starred Eiji Okada and Toshiya Wazaki. It has gone under many alternative titles, including Big Space Monster Guilala. The monster, known as Guilala in Japan, is also called "Gilala" and "Girara". The film was released in the United States in 1968 as The X from Outer Space.