The Cumberland County Courthouse is a courthouse building located in Portland, Maine, United States.

[1] Its main façade is on Federal Street, on the eastern side of Lincoln Park, and across Pearl Street from the Edward T. Gignoux United States Courthouse; its entrance is now at the rear of the property, at 205 Newbury Street.

Designed by local architect George Burnham, in partnership with Boston architect Guy Lowell,[2] it was completed in 1910 and constructed in granite.

The courts were formerly located in Portland City Hall, prior to its burning down in 1908.

[1] An addition to the rear of the building, completed in 1991, was dedicated in honor of Vincent L. McKusick, chief justice of the Maine Supreme Judicial Court between 1977 and 1992.