| Elstree South | |
|---|---|
  Elstree South Location in Hertfordshire, England  Elstree South Location in Elstree parish, Hertfordshire | |
| Location | Elstree |
| Local authority | Hertsmere |
| Grid reference | TQ175946 |
| Number of platforms | 2 (planned but not built) |
| Railway companies | |
| Original company | London Underground |
| Other information | |
| Coordinates | 51°38′17″N 0°18′13″W / 51.63794°N 0.30349°W |
 London transport portal | |
Elstree South (usually just Elstree on Underground maps) was a proposed London Underground station in Elstree, Hertfordshire. It was designed by Charles Holden. The planned location of the station was adjacent to the A5183, north of the junction with the A41 and where junction 4 of the M1 motorway was subsequently built.