| Sahadai Buzurg Station | |
| Style: | Indian Railways |
| Type: | Indian Railways station |
| Address: | Sahadai Buzurg, Vaishali, Bihar |
| Country: | India |
| Map Type: | India#India Bihar |
| Elevation: | 52m (171feet) |
| Line: | Barauni–Gorakhpur, Raxaul and Jainagar lines |
| Platform: | 3 |
| Tracks: | 5 |
| Parking: | No |
| Structure: | Standard (on-ground station) |
| Status: | Functioning |
| Former: | East Indian Railway |
| Electrified: | Yes |
Sahadai Buzurg railway station, station code SDG, is a railway station in the Sonpur railway division of East Central Railway. It is located in Sahadai Buzurg block of Vaishali district in the Indian state of Bihar.
The three platforms are interconnected with a foot overbridge (FOB)from platform no. 1 to platform 3. Ticket counters are available at Platform no 1.
The nearest airports to Sahadai Buzurg railway station are: