An organ model for endoscope includes: a basic shape part formed by imitating a shape of a tubular organ; and a tissue holding part that holds a tissue piece and is detachably provided with respect to the basic shape part. The tissue holding part includes: a main body that is formed in a tubular shape and has a window part communicating with an internal space, on an outer peripheral surface; and a fixing member that fixes the tissue piece on the main body such that at least a portion of the tissue piece overlaps the window part. The main body is rotatable in a circumferential direction of the main body with respect to the basic shape part, in a state where the main body is attached to the basic shape part.