To provide a deodorant removing unwanted bacteria floating in a room using neither high voltage discharge (ozone generation coil) nor fragrance, causing neither secondary pollution nor malodorous environment pollution, and creating a favorable indoor environment and to provide an indoor deodorizer using the same.

This indoor deodorizer is provided with a deodorizer body 1 having an air exhaust port 4 in the upper part and air inlets 10 in the side part, a deodorant receptacle 3 incorporated in the body 1, and a fan 5 disposed in the upper part of the deodorant receptacle 3. This indoor deodorizer is characterized in that suction side of the fan 5 communicates with a space in the upper part of the deodorant receptacle 3, the emission side of the fan 5 communicates with the air exhaust port 4, and the deodorant 30 in the deodorant receptacle 3 is composed of a vegetable fiber extracted from seaweed, mineral ions, protein, and water.