Lt.-Colonel Colborne Powell Meredith (September 15, 1874 – January 29, 1967) was a Canadian architect.

[1] He was Commissioner of the Ottawa Improvement Commission (1908), President of the Ontario Architects Association (1912), and Councillor of the Royal Architectural Institute of Canada.

[2] He designed many of the principal buildings and residences in Ottawa, including the Château Laurier Hotel,[3] as well as a number of schools and convents throughout Canada.

Meredith chaired the conference of the Ontario Association of Architects in Ottawa 1911 and also chaired the 1912 Royal Architectural Institute of Canada convention in Ottawa.

From 1925 to 1934 he served as General-Secretary to the League of Nations Society in Canada.