Liste der niedersächsischen Seehäfen
# Liste der niedersächsischen Seehäfen

Die folgende Liste enthält die Seehäfen Niedersachsens an der Nordsee und den von den Gezeiten betroffenen Flüssen.
| Name | Ort | Koordinaten |
| Hafen Baltrum | Baltrum | 53° 43′ 22,9″ N, 7° 21′ 56,3″ O53.7230287.365646 |
| Hafen Bensersiel | Bensersiel | 53° 40′ 37,3″ N, 7° 34′ 22,7″ O53.6770377.57297 |
| Hafen Borkum | Borkum | 53° 33′ 39,7″ N, 6° 44′ 58,9″ O53.5610386.749682 |
| Hafen Brake | Brake | 53° 19′ 48,9″ N, 8° 29′ 4,7″ O53.3302598.484643 |
| Hafen Cuxhaven, Fischereihafen Cuxhaven | Cuxhaven | 53° 52′ 15,6″ N, 8° 42′ 41″ O53.8710058.711386 |
| Hafen Dangast | Dangast | 53° 26′ 46,7″ N, 8° 6′ 30″ O53.4463158.108339 |
| Hafen Ditzum | Ditzum | 53° 19′ 2,8″ N, 7° 16′ 56,7″ O53.3174427.282423 |
| Hafen Dorum | Dorum | 53° 44′ 21,9″ N, 8° 30′ 52,9″ O53.7394198.514694 |
| Hafen Dornumersiel | Dornumersiel | 53° 40′ 51,8″ N, 7° 29′ 10,2″ O53.6810537.486174 |
| Hafen Elsfleth | Elsfleth | 53° 14′ 13,8″ N, 8° 27′ 57,2″ O53.2371628.465899 |
| Hafen Emden | Emden | 53° 20′ 13,7″ N, 7° 10′ 52,6″ O53.3371297.181282 |
| Hafen Fedderwardersiel | Butjadingen | 53° 35′ 50,6″ N, 8° 21′ 17,1″ O53.5973838.354759 |
| Hafen Greetsiel | Greetsiel | 53° 30′ 12,6″ N, 7° 6′ 4,6″ O53.5035057.101266 |
| Hafen Großensiel | Nordenham | 53° 28′ 3,4″ N, 8° 28′ 46,6″ O53.4676018.4796 |
| Hafen Harlesiel | Harlesiel | 53° 42′ 33,8″ N, 7° 48′ 36″ O53.7093847.810013 |
| Außenhafen Hooksiel | Hooksiel | 53° 38′ 33,6″ N, 8° 5′ 0,8″ O53.6426548.083556 |
| Hafen Horumersiel | Horumersiel | 53° 41′ 1,3″ N, 8° 1′ 15,6″ O53.6837028.020996 |
| Hafen Jemgum | Jemgum | 53° 15′ 52″ N, 7° 23′ 33,1″ O53.2644467.392517 |
| Hafen Juist | Juist | 53° 40′ 25,2″ N, 6° 59′ 45,7″ O53.6736686.996038 |
| Hafen Langeoog | Langeoog | 53° 43′ 36″ N, 7° 30′ 0,7″ O53.7266797.500186 |
| Hafen Leer | Leer | 53° 13′ 0,8″ N, 7° 27′ 3,5″ O53.216887.450962 |
| Hafen Neuharlingersiel | Neuharlingersiel | 53° 42′ 5,8″ N, 7° 42′ 18,8″ O53.7016047.705235 |
| Hafen Neßmersiel | Neßmersiel | 53° 41′ 7,5″ N, 7° 21′ 38,3″ O53.6854127.360625 |
| Hafen Norddeich | Norddeich | 53° 37′ 38,3″ N, 7° 9′ 28,3″ O53.6273117.157872 |
| Hafen Norderney | Norderney | 53° 41′ 57,2″ N, 7° 9′ 47,2″ O53.69923587.163118 |
| Hafen Oldenburg | Oldenburg | 53° 8′ 24,2″ N, 8° 13′ 36,7″ O53.1400658.226861 |
| Hafen Oldersum | Oldersum | 53° 19′ 33,5″ N, 7° 20′ 30,2″ O53.3259667.341721 |
| Hafen Otterndorf | Otterndorf | 53° 49′ 31,5″ N, 8° 53′ 42,4″ O53.8254078.895117 |
| Hafen Papenburg | Papenburg | 53° 6′ 1,4″ N, 7° 21′ 54,6″ O53.1003917.365174 |
| Hafen Petkum | Petkum | 53° 19′ 50,9″ N, 7° 16′ 13,8″ O53.3308167.270492 |
| Hafen Spieka | Spieka | 53° 47′ 23,5″ N, 8° 32′ 52″ O53.7898598.547776 |
| Hafen Spiekeroog | Spiekeroog | 53° 45′ 54,4″ N, 7° 41′ 47,8″ O53.7651027.696609 |
| Hafen Stade-Bützfleth | Unterelbe | 53° 39′ 50,2″ N, 9° 29′ 23,7″ O53.6639499.489924 |
| Vareler Hafen | Varel | 53° 24′ 28,2″ N, 8° 10′ 21,5″ O53.4078298.172643 |
| Hafen Wangerooge | Wangerooge | 53° 46′ 28,7″ N, 7° 52′ 4,4″ O53.7746327.867885 |
| Hafen Weener | Weener | 53° 10′ 6,1″ N, 7° 21′ 58,3″ O53.1683747.366204 |
| Hafen Wilhelmshaven | Wilhelmshaven | 53° 30′ 57,7″ N, 8° 8′ 30,2″ O53.5160248.141727 |
| Hafen Wischhafen | Wischhafen | 53° 46′ 37,6″ N, 9° 19′ 36,5″ O53.7771129.326813 |
| Hafen Wremen | Wremen | 53° 38′ 52,4″ N, 8° 29′ 37,9″ O53.6478898.493856 |