| Harrison Henry Atwood | |
| State: | Massachusetts |
| Term Start: | March 4, 1895 |
| Term End: | March 3, 1897 |
| Preceded: | Michael J. McEttrick |
| Succeeded: | Samuel J. Barrows |
| Office2: | Member of the Massachusetts House of Representatives |
| Term Start2: | 1887 |
| Term End2: | 1889 |
| Constituency2: | 8th Suffolk district |
| Preceded2: | Patrick D. Dwyer Matthew Dolan |
| Succeeded2: | Joseph P. Lomasney |
| Term Start3: | 1915 |
| Term End3: | 1915 |
| Constituency3: | 24th Suffolk district |
| Preceded3: | Timothy J. Ahern Sanford Bates Charles S. Lawler |
| Succeeded3: | Charles S. Lawler |
| Term Start4: | 1917 |
| Term End4: | 1918 |
| Constituency4: | 19th Suffolk district |
| Succeeded4: | Frank L. Brier Elihu D. Stone |
| Term Start5: | 1923 |
| Term End5: | 1924 |
| Constituency5: | 19th Suffolk district |
| Preceded5: | Frank L. Brier Herbert W. Burr Charles Shulman |
| Succeeded5: | Bernard P. Casey Bernard Ginsburg |
| Term Start6: | 1927 |
| Term End6: | 1928 |
| Constituency6: | 17th Suffolk district |
| Preceded6: | Peter J. Fitzgerald Joseph J. Mulhern |
| Succeeded6: | Frank J. McFarland |
| Office7: | 5th City Architect of Boston |
| Term Start7: | 1889 |
| Term End7: | 1891 |
| Preceded7: | Charles J. Bateman |
| Succeeded7: | Edmund M. Wheelwright |
| Birth Date: | 26 August 1863 |
| Birth Place: | North Londonderry, Vermont, U.S. |
| Death Place: | Boston, Massachusetts, U.S. |
| Party: | Republican Progressive |
| Spouse: | Clara Stein |
| Children: | Harrison Jr. August |
| Profession: | Architect |
| Footnotes: | [1] |
Harrison Henry Atwood (August 26, 1863 – October 22, 1954) was an American architect and politician who represented Boston in the United States House of Representatives from 1895 to 1897 and for several nonconsecutive terms in the Massachusetts House of Representatives. He was a member of the Republican Party but was also supported by the Progressive Party during his later terms in the Massachusetts House.
Born at the home of his grandmother in North Londonderry, Vermont, Atwood attended public schools in Boston. He studied architecture and engaged in that profession in Boston. Atwood was elected as a Republican to the Fifty-fourth Congress (March 4, 1895 – March 3, 1897). Atwood defeated incumbent Democrat Michael J. McEttrick. He was a member of the Republican State Committee.
Atwood was an unsuccessful candidate for renomination in 1896 to the Fifty-fifth Congress. He resumed his former profession in Boston. From 1888 to 1894 he was a member of and secretary to the Boston Republican City Committee. From 1889 to 1890 he was City Architect of Boston, designing the Bowditch School, the Congress Street Fire Station, and the Harvard Avenue Fire Station, all on the National Register of Historic Places. Atwood also designed several churches for the Roman Catholic Archdiocese of Boston.He was again a member of the Massachusetts House of Representatives in 1915, 1917, 1918, 1923, 1924, 1927, and 1928.
He was an unsuccessful candidate for election in 1918 to the Sixty-sixth Congress, and then resumed his work as an architect in Boston. In April 1938, he moved to Wellesley Hills, Massachusetts.
Atwood died in Boston on October 22, 1954, and was interred in Forest Hills Cemetery in the Forest Hills neighborhood of Boston.