Tahara may refer to:
- The Japanese city of Tahara, Aichi.
- A Japanese surname.
- Mutsuo Tahara, a Supreme Court of Japan justice
In Judaism:
- Ritual purification. See tumah and taharah, mikveh and niddah.
- Preparation for burial. See bereavement in Judaism.
- Tohorot (Hebrew: טהורת literally "Purities", the plural of tahara) the sixth order of the Mishnah.
In Islam
- The concept of cleanliness. See Taharah.