| Official Name: | Glennon, Missouri |
| Settlement Type: | unincorporated community |
| Mapsize: | 250x200px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Missouri |
| Subdivision Type2: | County |
| Subdivision Name2: | Bollinger |
| Subdivision Type3: | Township |
| Subdivision Name3: | Liberty |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 541 |
| Postal Code Type: | ZIP code |
| Area Code: | 573 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 718516 |
Glennon is an unincorporated community in the eastern part of Liberty Township in Bollinger County, Missouri, United States.
This Catholic community was established in 1928, and was named for Archbishop John J. Glennon, who served as the Roman Catholic Archbishop of St. Louis from 1903 until his death in 1946.[1] [2]