A monocle is a corrective lens used to correct the vision in only one eye.
Monocle may also refer to:
- Monocle (satirical magazine), American satirical magazine, published irregularly from the late 1950s until the mid-1960s
- Monocle (brand) a news/lifestyle magazine, published since 2007, and media brand
- Monocle Radio, radio station for Monocle magazine
- Monocle (comics), fictional DC Comics supervillain
- Monocle (Transformers), a character from Transformers: Cybertron