Tractate Temurah (, literally: "exchange") is a tractate of the Mishnah, Tosefta, and Babylonian Talmud, which is part of the Order of Kodashim. Its main subject is the Biblical prohibition (Leviticus 27:10) against attempting to switch the sanctity of an animal that has been sanctified for the Temple in Jerusalem with another non-sanctified animal. If this is attempted, both animals become sanctified, and the person who attempted the transfer is punished with lashes. Like many tractates in the order of Kodshim, Temurah was not often learned by many Talmud scholars. Its reopening was included in the general Kodshim Renaissance brought about by the Brisk yeshivas.

Mishnah

The Mishnah's seven chapters cover the following topics:

Commandments

This prohibition of exchange was counted by Maimonides as comprising 3 of the 613 commandments. The three commandments are: