John Albert Ewart (April 20, 1872 – April 21, 1964) was a Canadian architect and son of Chief Dominion Architect David Ewart.

[1] Ewart was born in Ottawa on April 20, 1872, after his father's arrival in Canada.

[2] Ewart studied architecture at the University of Toronto in the 1890s.

Eward moved to Ottawa to practice with King Arnoldi in 1895 and Burritt & Meredith in 1904, and Sproatt & Rolph in 1932.

[4] List of buildings designed by Ewart include: