thumb|Laurier Avenue, facing west, as seen from the bridge
thumb|A similar view of Laurier Avenue in 1910.<br/>[[The Arena, Ottawa|The Arena is on the right.]]
Laurier Avenue (; Ottawa Road No. 48) is a central east–west street running through Ottawa, Ontario, Canada. Originally known as "Maria Street" (west of Waller) and "Theodore Street" (east of Waller), it was renamed in honour of Canadian Prime Minister Sir Wilfrid Laurier. Laurier House, the residence of Prime Ministers Laurier and William Lyon Mackenzie King, is located at 335 Laurier Avenue East at the corner of Laurier Avenue East and Chapel Street.
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