| Maurice Sleem | |
| Office: | Minister of National Defense |
| Country: | Lebanon |
| Termstart: | 10 September 2021 |
| Primeminister: | Najib Mikati |
| Preceded: | Zeina Akar |
| Birth Date: | 5 February 1954 |
| Birth Place: | Kfarshima, Lebanon |
| Native Name Lang: | ar |
| Rank: | Brigadier General |
| Serviceyears: | 1972–2012 |
| Profession: | Politician Military officer |
| Commands: | Head of Military Medicine |
| Allegiance: |  Lebanon |
| Alma Mater: | United States Army Command and General Staff College Lebanese University (LLB) |
Maurice Sleem (; born 5 February 1954) is a Lebanese politician who has served as the Minister of National Defense since 10 September 2021, after the formation of the third government of Najib Mikati. He is a retired Brigadier General in the Lebanese Armed Forces.
During his 40-year career, he held key posts and staff assignments in Army operational Units. He also worked at the Lebanese Presidency for many years.
He retired from the Army in 2012.
In 10 August 2023, his vehicle was hit with bullets while he was inside, an incident which was referred to as an assassination attempt by local media. Interior Minister Bassam Mawlawi said security services were investigating the incident to determine whether it was caused by indiscriminate gunfire or an attack.[1]