Indoor unit of air conditioner

The present invention makes a display portion visually unrecognizable in a light-off state, without being subjected to a design constraint. An indoor unit of an air conditioner includes a front panel (2) openable and closable with respect to a front portion of an indoor unit body (1), and a display portion, which includes a light-emitting device (9) controllable in the lighting on and off thereof and is provided inside the indoor unit body (1) to face the front panel (2), for displaying operation information such as an indoor state or an operation setting state. The front panel (2) is formed of a transparent or translucent material and provided with a decorative layer (10) on the inner or outer surface thereof or inside thereof. The decorative layer (10) has non-reflectivity, allows the transmission therethrough of light emitted from the light-emitting device (9), and prevents the interior of the indoor unit body (1) from being seen through from outside of the indoor unit in the light-off state.