Cheng San Group Representation Constituency (Simplified Chinese: 静山集选区;Traditional Chinese: 靜山集選區) is a now defunct Group Representation Constituency in the north-eastern region in Singapore. The GRC consisted of the eastern part of Ang Mo Kio, Jalan Kayu, Seletar Hills, part of Serangoon North, a large part of Hougang, Buangkok, and the whole of Sengkang New Town and Punggol New Town.