| Seeth Sæd / Seet | |
| Image Coa: | DEU Seeth COA.svg |
| Coordinates: | 54.3675°N 9.1647°W |
| Image Plan: | Seeth in NF.PNG |
| State: | Schleswig-Holstein |
| District: | Nordfriesland |
| Amt: | Nordsee-Treene |
| Elevation: | 3 |
| Area: | 13.56 |
| Postal Code: | 25878 |
| Area Code: | 04881 |
| Licence: | NF |
| Gemeindeschlüssel: | 01 0 54 119 |
| Mayor: | Ernst Schulz |
Seeth (Danish: Sæd, North Frisian: Seet) is a municipality in the district of Nordfriesland, in Schleswig-Holstein, Germany.