Jalan Mas is a road in Taman Guan Joo Seng in George Town, Penang. It connects Lorong Batu Lanchang in the north to Jalan Besi in the south. The road also branches off to Solok Mas, Lebuhraya Mas, Tingkat Mas and Persiaran Mas. Jalan Mas is largely residential and serves as one of the main arteries in the neighbourhood.