A multi-segment turning light lamp includes a lamp housing assembly and a lighting assembly. The lamp housing assembly includes a substrate, a lens having a concave inner surface, and a light divider arrangement disposed between the substrate and the lens. The light divider arrangement includes a plurality of partitions angularly arranged with respect to a center of curvature of the concave inner surface of the lens, and extending radially to the lens. The partitions, the substrate and the lens cooperate to define a plurality of light-exit channels. The lighting assembly includes a plurality of light-emitting elements, each of which is disposed for emitting light through a respective one of the light-exit channels.