List of townships in North Dakota O O

| Township | County | Pop_2010 | Land_sqmi_ | Water_sqmi | Latitude | Longitude | GEO_ID | ANSI_code |
|---|---|---|---|---|---|---|---|---|
| Oliver | Williams | 8 | 35.987 | 0.024 | 48.423293 | -103.320183 | 3810559260 | 1037033 |
| Olivia | McHenry | 40 | 35.874 | 0.035 | 47.900358 | -100.769959 | 3804959300 | 1759508 |
| Olson | Towner | 19 | 35.033 | 0.954 | 48.505811 | -99.287008 | 3809559380 | 1759659 |
| Ontario | Ramsey | 72 | 33.923 | 1.990 | 48.163172 | -98.601321 | 3807159460 | 1759588 |
| Ops | Walsh | 63 | 36.015 | 0.000 | 48.238231 | -97.578927 | 3809959540 | 1036518 |
| Ora | Nelson | 69 | 34.414 | 0.697 | 47.722982 | -97.946877 | 3806359580 | 1036557 |
| Orange | Adams | 22 | 35.802 | 0.133 | 46.012558 | -102.053893 | 3800159620 | 1037214 |
| Oriska | Barnes | 65 | 35.082 | 0.087 | 46.935397 | -97.752733 | 3800359700 | 1036418 |
| Orlien | Ward | 47 | 35.645 | 0.720 | 47.985154 | -101.796936 | 3810159740 | 1036954 |
| Orthell | Williams | 12 | 35.894 | 0.034 | 48.495353 | -103.728983 | 3810559860 | 1759732 |
| Osago | Nelson | 31 | 35.400 | 0.198 | 47.800898 | -98.328474 | 3806359900 | 1036565 |
| Osborn | Mountrail | 285 | 30.296 | 4.988 | 47.987208 | -102.429987 | 3806159940 | 1034001 |