Rearguard may refer to:
- A military detachment protecting the rear of a larger military formation, especially when retreating from a pursuing enemy force. (Rear guardRear guardA rear guard or rearguard is that part of a military force that protects it from attack from the rear, either during an advance or withdrawal...
- Rear Guard (video game), a computer game released in 1982
- The Rear Guard (poem), by Siegfried SassoonSiegfried SassoonSiegfried Loraine Sassoon CBE MC was an English poet, author and soldier. Decorated for bravery on the Western Front, he became one of the leading poets of the First World War. His poetry both described the horrors of the trenches, and satirised the patriotic pretensions of those who, in Sassoon's...