Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Township of Ola | Civil | 541 | Brule | 43 37 48 N | 099 12 39 W |
| Township of Ola (historical) | Civil | 530 | Brule | 43 37 50 N | 099 15 09 W |
| Township of Olean | Civil | 415 | Spink | 45 06 11 N | 098 01 58 W |
| Township of Olean (historical) | Civil | 402 | Spink | 45 06 12 N | 098 05 39 W |
| Township of Olivet (historical) | Civil | 370 | Hutchinson | 43 14 55 N | 097 41 12 W |
| Township of One Road | Civil | 605 | Roberts | 45 31 21 N | 097 10 31 W |
| Township of Oneida | Civil | 396 | Sanborn | 44 04 06 N | 098 01 52 W |
| Township of Oneota | Civil | 427 | Brown | 45 43 14 N | 098 32 13 W |
| Township of Oneota (historical) | Civil | 439 | Brown | 45 48 25 N | 098 36 02 W |
| Township of Onida | Civil | 575 | Sully | 44 40 18 N | 100 05 26 W |
| Township of Ontario | Civil | 511 | Hand | 44 45 30 N | 099 14 31 W |
| Township of Opdahl | Civil | 519 | Hamlin | 44 40 25 N | 097 18 33 W |
| Township of Ordway | Civil | 398 | Brown | 45 32 46 N | 098 24 46 W |
| Township of Ordway (historical) | Civil | 409 | Brown | 45 34 05 N | 098 29 11 W |
| Township of Orient | Civil | 525 | Faulk | 44 56 01 N | 099 08 02 W |
| Township of Orland | Civil | 549 | Lake | 43 53 08 N | 097 10 45 W |
| Township of Ortley | Civil | 566 | Roberts | 45 20 51 N | 097 10 32 W |
| Township of Osceola | Civil | 437 | Brown | 45 53 40 N | 098 32 19 W |
| Township of Osceola | Civil | 513 | Grant | 45 17 24 N | 096 56 03 W |
| Township of Oslo | Civil | 513 | Brookings | 44 15 55 N | 096 56 36 W |
| Township of Owanka | Civil | 846 | Pennington | 44 01 53 N | 102 32 16 W |
| Township of Owattonna | Civil | 597 | Potter | 44 56 03 N | 099 59 28 W |
| Township of Oxford | Civil | 533 | Hamlin | 44 45 38 N | 097 13 09 W |
| Township of Oxford (historical) | Civil | 522 | Hamlin | 44 44 20 N | 097 13 11 W |
| Township of Pactola (historical) | Civil | 1408 | Pennington | 44 03 37 N | 103 26 32 W |
| Township of Pahapesto | Civil | 597 | Tripp | 43 38 15 N | 100 09 06 W |
| Township of Palatine | Civil | 423 | Aurora | 43 49 30 N | 098 24 31 W |
| Township of Palisade | Civil | 494 | Minnehaha | 43 42 35 N | 096 28 51 W |
| Township of Palmyra | Civil | 451 | Brown | 45 53 42 N | 098 39 46 W |
| Township of Park | Civil | 450 | Hand | 44 50 43 N | 098 59 54 W |
| Township of Parker | Civil | 400 | Turner | 43 22 50 N | 097 05 38 W |
| Township of Parnell | Civil | 518 | Brookings | 44 16 05 N | 096 35 01 W |
| Township of Patrick | Civil | 570 | Faulk | 44 56 02 N | 099 22 46 W |
| Township of Patten | Civil | 572 | Aurora | 43 55 15 N | 098 44 53 W |
| Township of Pearl | Civil | 533 | Hand | 44 24 26 N | 098 52 19 W |
| Township of Pearl | Civil | 443 | McCook | 43 49 45 N | 097 33 16 W |
| Township of Pearl | Civil | 579 | Sully | 44 45 30 N | 100 20 04 W |
| Township of Pearl Creek | Civil | 397 | Beadle | 44 16 00 N | 098 02 01 W |
| Township of Pelican | Civil | 546 | Codington | 44 50 00 N | 097 10 51 W |
| Township of Pembrook | Civil | 444 | Edmunds | 45 32 28 N | 098 46 24 W |
| Township of Peno | Civil | 575 | Hyde | 44 19 01 N | 099 21 04 W |
| Township of Peno | Civil | 797 | Pennington | 44 07 05 N | 102 03 25 W |
| Township of Peoria | Civil | 554 | Hughes | 44 29 45 N | 100 28 52 W |
| Township of Perry | Civil | 398 | Davison | 43 49 40 N | 098 02 11 W |
| Township of Perry | Civil | 419 | Lincoln | 43 22 52 N | 096 51 21 W |
| Township of Pershing (historical) | Civil | 477 | Buffalo | 43 59 10 N | 099 01 01 W |
| Township of Petersburg | Civil | 616 | McPherson | 45 53 50 N | 099 24 26 W |
| Township of Phipps | Civil | 536 | Codington | 45 02 10 N | 097 25 51 W |
| Township of Pine (historical) | Civil | 816 | Meade | 44 54 01 N | 102 31 18 W |
| Township of Pine Creek | Civil | 680 | Mellette | 43 31 43 N | 100 52 38 W |
| Township of Pioneer | Civil | 416 | Faulk | 45 01 13 N | 098 46 03 W |
| Township of Pioneer (historical) | Civil | 732 | Corson | 45 54 30 N | 101 40 31 W |
| Township of Plain | Civil | 1092 | Fall River | 43 09 59 N | 103 44 57 W |
| Township of Plain Center | Civil | 451 | Charles Mix | 43 07 07 N | 098 23 46 W |
| Township of Plainfield | Civil | 502 | Brule | 43 42 56 N | 098 51 16 W |
| Township of Plainview | Civil | 630 | Tripp | 43 23 36 N | 099 42 07 W |
| Township of Plankinton | Civil | 472 | Aurora | 43 43 15 N | 098 32 01 W |
| Township of Plano | Civil | 398 | Hanson | 43 49 40 N | 097 55 06 W |
| Township of Plateau | Civil | 902 | Perkins | 45 32 00 N | 102 53 47 W |
| Township of Plato | Civil | 417 | Hand | 44 50 40 N | 098 45 20 W |
| Township of Platte | Civil | 461 | Charles Mix | 43 23 05 N | 098 53 01 W |
| Township of Pleasant | Civil | 545 | Clark | 44 41 40 N | 097 33 16 W |
| Township of Pleasant | Civil | 418 | Hanson | 43 36 15 N | 097 40 36 W |
| Township of Pleasant | Civil | 418 | Hutchinson | 43 27 55 N | 097 34 14 W |
| Township of Pleasant | Civil | 565 | Jerauld | 44 03 45 N | 098 44 56 W |
| Township of Pleasant | Civil | 446 | Lincoln | 43 07 10 N | 096 44 11 W |
| Township of Pleasant | Civil | 618 | Lyman | 44 58 40 N | 099 42 21 W |
| Township of Pleasant | Civil | 544 | Sully | 44 40 17 N | 099 43 38 W |
| Township of Pleasant Grove | Civil | 512 | Brule | 43 32 35 N | 098 58 21 W |
| Township of Pleasant Hill (historical) | Civil | 999 | Fall River | 43 04 44 N | 103 02 32 W |
| Township of Pleasant Lake | Civil | 486 | Aurora | 43 39 05 N | 098 31 16 W |
| Township of Pleasant Ridge | Civil | 698 | Corson | 45 32 00 N | 101 25 12 W |
| Township of Pleasant Ridge (historical) | Civil | 405 | Spink | 44 42 50 N | 098 38 08 W |
| Township of Pleasant Valley | Civil | 505 | Aurora | 43 53 15 N | 098 37 29 W |
| Township of Pleasant Valley | Civil | 516 | Clay | 43 57 30 N | 096 57 31 W |
| Township of Pleasant Valley | Civil | 588 | Gregory | 43 01 55 N | 098 59 30 W |
| Township of Pleasant Valley | Civil | 575 | Hand | 44 13 58 N | 098 59 37 W |
| Township of Pleasant Valley | Civil | 982 | Harding | 45 50 31 N | 103 44 19 W |
| Township of Pleasant Valley | Civil | 534 | Hughes | 44 24 12 N | 099 50 08 W |
| Township of Pleasant Valley | Civil | 416 | Marshall | 45 47 55 N | 097 39 30 W |
| Township of Pleasant Valley | Civil | 675 | Perkins | 45 43 30 N | 102 02 27 W |
| Township of Pleasant Valley | Civil | 588 | Tripp | 43 28 48 N | 099 42 09 W |
| Township of Pleasant Valley (historical) | Civil | 750 | Haakon | 44 12 15 N | 101 41 54 W |
| Township of Pleasant Valley (historical) | Civil | 503 | Miner | 44 00 54 N | 097 25 11 W |
| Township of Pleasant View | Civil | 394 | Beadle | 44 35 30 N | 098 17 01 W |
| Township of Pleasant View | Civil | 655 | Haakon | 44 07 03 N | 101 20 16 W |
| Township of Pleasant View | Civil | 575 | Potter | 44 56 01 N | 099 37 25 W |
| Township of Pleasant View | Civil | 695 | Tripp | 43 13 13 N | 099 42 07 W |
| Township of Plum Creek | Civil | 642 | Stanley | 44 16 29 N | 101 05 49 W |
| Township of Plummer | Civil | 505 | Brule | 43 53 28 N | 098 52 06 W |
| Township of Pollock | Civil | 503 | Campbell | 45 53 55 N | 100 16 31 W |
| Township of Poplar Grove | Civil | 908 | Harding | 45 15 02 N | 103 29 49 W |
| Township of Portage | Civil | 396 | Brown | 45 53 38 N | 098 02 28 W |
| Township of Portage (historical) | Civil | 393 | Brown | 45 53 35 N | 098 04 56 W |
| Township of Portland | Civil | 524 | Deuel | 44 56 00 N | 096 42 01 W |
| Township of Posthal | Civil | 548 | Campbell | 45 46 05 N | 099 46 46 W |
| Township of Powell | Civil | 455 | Edmunds | 45 16 53 N | 099 01 14 W |
| Township of Prairie | Civil | 430 | Union | 43 02 50 N | 096 42 46 W |
| Township of Prairie Center | Civil | 377 | Clay | 42 50 00 N | 096 50 01 W |
| Township of Prairie Center | Civil | 403 | Spink | 44 55 50 N | 098 09 22 W |
| Township of Prairie View | Civil | 688 | Corson | 45 51 38 N | 101 30 58 W |
| Township of Prairiewood | Civil | 397 | Brown | 45 30 43 N | 098 25 13 W |
| Township of Pratt | Civil | 650 | Hyde | 44 19 00 N | 099 35 36 W |
| Township of Pratt | Civil | 568 | Lyman | 43 43 52 N | 100 09 01 W |
| Township of Presho (historical) | Civil | 581 | Lyman | 44 53 26 N | 100 03 56 W |
| Township of Preston | Civil | 506 | Brookings | 44 28 37 N | 096 57 42 W |
| Township of Progressive | Civil | 606 | Tripp | 43 28 50 N | 100 10 31 W |
| Township of Prospect | Civil | 730 | Mellette | 43 42 02 N | 101 00 03 W |
| Township of Prosper | Civil | 410 | Davison | 43 39 00 N | 098 02 01 W |
| Township of Providence (historical) | Civil | 425 | Hutchinson | 43 25 16 N | 097 59 15 W |