| Steven J. DeBoy Sr. | |
| Birth Date: | 2 January 1956 |
| Birth Place: | Baltimore, Maryland, U.S. |
| Residence: | Halethorpe, Maryland |
| State Delegate: | Maryland |
| District: | 12A |
| Term Start: | January 2003 |
| Term End: | January 14, 2015 |
| Predecessor: | Donald E. Murphy |
| Constituency: | Baltimore County |
| Party: | Democrat |
| Occupation: | Retired police officer |
| Spouse: | Jennifer A. DeBoy |
| Children: | 3 |
Steven J. DeBoy Sr. (born January 2, 1956) is a Democratic member of the Maryland House of Delegates, serving since 2003.
Deboy graduated from the Baltimore County Police Academy in 1977. He holds a bachelor's degree in political science from the University of Baltimore, and an associate degree in Criminal Justice from Catonsville Community College. He served as a Baltimore County police officer and detective for 20 years, as the senior legislative assistant, to Baltimore County Councilman S.G. Samuel Moxley, and as a special investigator for the Howard County Police Department.
Delegate DeBoy has served on the Appropriations Committee, the Health and Human resources subcommittee, the oversight committee on personnel, the education subcommittee for the Baltimore County Delegation, and was the Vice-Chair for the Baltimore County Delegation in 2005. He is a member of the Maryland Veterans Caucus, the Task Force on the Exemption of Law Enforcement Officers' Pensions from Taxation.
For the past four years, Delegate DeBoy has annually voted to support classroom teachers, public schools, police and hospitals in Baltimore and Howard Counties. Since 2002, funding to schools across the State has increased 82%, resulting in Maryland being ranked top in the nation for K-12 education.
Voters to choose two:
| Name | Votes | Percent | Outcome |
|---|---|---|---|
| James E. Malone Jr., Dem. | 13,222 | 31% | Won |
| Donald E. Murphy, Rep. | 10,920 | 26% | Won |
| Steven J. DeBoy Sr., Dem. | 10,669 | 25% | Lost |
| Loyd V. Smith, Rep. | 7,245 | 17% | Lost |
He is the son of Donald DeBoy and grandson of the late Ferdinand DeBoy (1904–1973) and Hazel Winslow DeBoy (1907–1996). He is a second cousin of actors PJ DeBoy and Paul DeBoy, both of whom (like Delegate DeBoy) hail from the Farrell-DeBoy family of Baltimore, Maryland (PJ Is the grandson of the late James J. DeBoy Sr., a brother of Ferdinand DeBoy.).