Tikkun/Tikun (תיקון) is a Hebrew word meaning "Fixing/Rectification". It has several connotations in Judaism:
Traditional:
- Tikkun (book), a book of Torah scroll text, used when learning to chant Torah portions or for correct-fixed scribal calligraphy
- Tohu and Tikkun: The two stages of Existence described in the Kabbalah of Isaac Luria. The initial Olam-World of Tohu-Chaos collapses, to be replaced by the World of Tikkun-Rectification; Tikkun also describing the esoteric active spiritual work of rectification
- Tikkun refers to the nightly/early morning synagogue readings on the following Jewish holidays: Seventh Day of Passover, Shavuot, Hoshanna Rabbah, and the Seventh of Adar
- Tikkun HaKlali refers to ten psalms (16, 32, 41, 42, 59, 77, 90, 105, 137, and 150) that correspond to ten types of melody, that have the power to heal according the Chassidic teacher Rabbi Nachman of Breslov
Contemporary:
- Tikkun olam, the popular Jewish concept of "mending the world", terminology derived from Isaac Luria, but applied more widely to ethical activism in contemporary society
- Tikkun (magazine), a bimonthly newsmagazine of politics and culture from a progressive Jewish point of view
- Tiqqun, the French transcription of the Hebrew word, is the title of a radical French philosophical journal