| Entro, Arizona | |
| Settlement Type: | Populated place |
| Pushpin Map: | USA Arizona#USA |
| Pushpin Label: | Entro |
| Pushpin Map Caption: | Location within the state of Arizona |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Arizona |
| Subdivision Type2: | County |
| Subdivision Name2: | Yavapai |
| Population As Of: | 2010 |
| Population Density Sq Mi: | auto |
| Timezone: | Mountain (MST) |
| Utc Offset: | -7 |
| Timezone Dst: | MST |
| Utc Offset Dst: | -7 |
| Elevation Ft: | 5141 |
| Elevation M: | 1567 |
| Coordinates: | 34.6069°N -112.4042°W |
| Postal Code Type: | ZIP codes |
| Area Code: | 928 |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Entro, also known as Entro Siding and P and E Junction, was a rail junction in Yavapai County, Arizona, United States.[1] It has an estimated elevation of 5141feet above sea level.It was the point at which the Prescott and Eastern Railroad met the Santa Fe, Prescott and Phoenix Railway, eventually part of the Atchison, Topeka and Santa Fe Railway. In 1917 it had a population of 15.[2] The lines were eventually abandoned.