The compound LaRhAsO is reported for the first time. We show that an entire LaFe1-xRhxAsO solid Solution is possible. powder X-ray diffraction, resistivity and magnetic measurements were carried Out oil polycrystalline samples. Superconductivity onset is observed for x = 0.05, 0.10, and 0.15 with a maximum resistivity T-c(onset) of similar to 16 K. The fluorine doped samples of the new compound LaRhAsO remain metallic down to 5 K. (C) 2010 Elsevier Ltd. All rights reserved.