| Country: | EUR |
| Type: | E |
| Route: | 401 |
| Length Km: | 231 |
| Map Notes: | E-roads in France with E401 in red |
| Direction A: | West |
| Terminus A: | Saint-Brieuc (France) |
| Junction: | Saint-Brieuc Tramain Pontaubault Villedieu-les-Poêles Caen |
| Direction B: | East |
| Terminus B: | Caen (France) |
| Countries: |  France |
The European road E401 or E401 is a road that only runs through France.
The road starts near Saint-Brieuc and ends in Caen. Between Saint-Brieuc and Tramain are the E401 and the E50 on the same track. Between Pontaubault and Villedieu-les-Poêles are the E401 and the E3 on the same track.
The E401 runs over on the following national roadnumbers:
| Number | Route | |
|---|---|---|
| France | ||
| Saint-Brieuc - Tramain | ||
| Tramain - Pontorson | ||
| Pontorson - Pontaubault | ||
| Pontaubault - Caen | ||
| Ring Caen | ||