An illuminating apparatus for a work vehicle includes a front illuminating unit, a side illuminating unit, a frame supporting the front illuminating unit and the side illuminating unit and a translucent lens unit covering the front illuminating unit and the side illuminating unit. The front illuminating unit and the side illuminating unit are supported to the frame. The translucent lens unit comprises a one-piece translucent lens directly connected and supported to the frame. The frame includes an attaching portion for attaching the frame to a front portion of the vehicle body.