Mark McElroy (October 16, 1906 – December 14, 1981) was a Democratic politician from Cleveland, Ohio, United States.

He attended the city schools, and Kenyon College, where he won nine letters in football, baseball and basketball.

[1] Immediately after college, McElroy ran unsuccessfully for the Ohio House of Representatives.

He was an active Democrat, serving as ward leader, precinct committeeman, and member of the county executive committee.

[1] McElroy was elected Attorney General in 1958 in a Democratic landslide,[1] and served one four-year term.