Arthur Carr Ellis (born July 26, 1961) is an American politician and accountant who has served as a member of the Maryland Senate from the 28th district since 2019.

[1] Ellis became involved in politics as a member of the Charles County NAACP chapter, becoming its communications director in 2016.

[1] In March 2017, he criticized the state's $900,000 purchase and preservation of land where Josiah Henson was enslaved before escaping to freedom, arguing that the money would be better spent on youth programs.

[11] During the 2020 legislative session, Ellis voted against an amendment to the Blueprint for Maryland's Future that would provide $150 million in grants toward programs to improve students' behavioral health, arguing that it could "stigmatize poor kids and create a long-lasting trail of unemployability for these children".

[20] During his 2018 campaign, Ellis said he supported upgrades to U.S. 301 and Maryland Routes 5 and 210, as well as expanding MARC rail services to Charles County.

[21] During the 2020 legislative session, he introduced a bill to provide $27 million toward building a light rail line in southern Maryland along Route 5,[22] and another to provide inmates with Maryland Motor Vehicle Administration-administered identification cards and license renewal before their release.