Andrews, Jaques and Rantoul was an American architectural firm founded in Boston, Massachusetts in 1885 by Robert Day Andrews, Herbert Jaques and Augustus Day Rantoul. The firm designed numerous buildings that are listed on the U.S. National Register of Historic Places. Their works include:
Robert Day Andrews was a draftsman under Henry Hobson Richardson before co-founding Andrews, Jaques and Rantoul. His subsequent firm, Chapman, Sturgis & Andrews, designed the white marble wings of the Massachusetts State House in 1914-1917.
Despite many listings as Andrews, Jacques & Rantoul, even during the years they operated, the firm name is correctly spelled: Andrews, Jaques & Rantoul.