Arthur Hathaway Hewitt (May 10, 1858 – September 3, 1929) was an American politician, lawyer, clerk, teacher, and undersheriff who served as the Speaker of the California State Assembly from January to December 1911.

He became principal at the school in Yuba City, and served on the Sutter County Board of Education for seventeen years.

A newspaper at the time quipped that Hewitt, whose middle name was Hathaway, "'hath-a-way' of striking terror into the hearts of all who dare oppose him".

[2] Hewitt served in the California State Assembly, taking office on January 7, 1907, as an assemblyman from Sutter County.

[1] The Yuba County Superior Court adjourned to mourn his death, and resolved to "draw up resolutions on his memory".