Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Roesley Park | Park | 326 | Maricopa | 33 24 02 N | 112 05 23 W |
| Roesner Ranch Airport | Airport | 615 | Maricopa | 33 50 51 N | 112 35 19 W |
| Rogers Canyon | Valley | | Maricopa | 33 29 09 N | 111 13 05 W |
| Rogers Well | Well | 622 | Maricopa | 33 46 28 N | 113 13 44 W |
| Roles Inn of America | Populated Place | 358 | Maricopa | 33 32 41 N | 112 10 04 W |
| Rollin W Mobile Home Ranch | Populated Place | 437 | Maricopa | 33 38 47 N | 112 02 30 W |
| Rolling Hills Golf Course | Locale | 374 | Maricopa | 33 26 43 N | 111 56 45 W |
| Romo Well | Well | 476 | Maricopa | 33 39 43 N | 111 36 42 W |
| Roosevelt Canal | Canal | 312 | Maricopa | 33 28 38 N | 112 16 51 W |
| Roosevelt Canal | Canal | 403 | Maricopa | 33 16 34 N | 111 42 53 W |
| Roosevelt Elementary School | School | 366 | Maricopa | 33 23 58 N | 111 52 55 W |
| Roosevelt Park | Park | 331 | Maricopa | 33 27 02 N | 112 04 39 W |
| Roosevelt School | School | 341 | Maricopa | 33 23 30 N | 112 03 59 W |
| Roosevelt Tank | Reservoir | 503 | Maricopa | 33 43 26 N | 112 37 48 W |
| Rose Garden Place | Populated Place | 422 | Maricopa | 33 40 05 N | 112 06 58 W |
| Rose Garden Place III | Populated Place | 425 | Maricopa | 33 40 12 N | 112 06 40 W |
| Rose Lane Junior High School | School | 359 | Maricopa | 33 31 36 N | 112 03 26 W |
| Rose Lane Trailer Park | Populated Place | 325 | Maricopa | 33 26 55 N | 112 07 33 W |
| Rose Linda School | School | 332 | Maricopa | 33 24 14 N | 112 03 25 W |
| Rose Terrace Trailer Park | Populated Place | 349 | Maricopa | 33 30 53 N | 112 09 21 W |
| Rosedale Cemetery | Cemetery | 329 | Maricopa | 33 26 47 N | 112 05 27 W |
| Roselane Park | Park | 352 | Maricopa | 33 31 41 N | 112 09 59 W |
| Rosemary Lodge | Locale | 442 | Maricopa | 33 21 38 N | 112 02 38 W |
| Ross Airport | Airport | 377 | Maricopa | 33 24 49 N | 111 50 47 W |
| Rotary Park | Park | 374 | Maricopa | 33 23 57 N | 111 50 10 W |
| Rotary Park | Park | 684 | Maricopa | 32 23 13 N | 111 53 59 W |
| Rough Canyon | Valley | | Maricopa | 33 29 16 N | 111 12 51 W |
| Round Butte | Summit | 743 | Maricopa | 32 47 16 N | 112 30 08 W |
| Round Butte | Summit | 757 | Maricopa | 33 47 01 N | 111 36 52 W |
| Round Tank | Reservoir | 284 | Maricopa | 33 13 32 N | 112 37 58 W |
| Round Valley | Valley | | Maricopa | 33 47 25 N | 111 30 21 W |
| Rover School | School | 363 | Maricopa | 33 22 12 N | 111 55 04 W |
| Rovey Park | Park | 356 | Maricopa | 33 32 18 N | 112 09 38 W |
| Rowe Wash | Stream | | Maricopa | 33 50 15 N | 111 57 49 W |
| Royal Estates West | Populated Place | 370 | Maricopa | 33 36 30 N | 112 11 23 W |
| Royal Glen Mobile Home Park | Populated Place | 360 | Maricopa | 33 32 35 N | 112 09 10 W |
| Royal Palm Park | Park | 368 | Maricopa | 33 33 27 N | 112 05 24 W |
| Royal Palm School | School | 370 | Maricopa | 33 33 44 N | 112 05 60 W |
| Royal Palm Travel Trailer and Mobile Home Park | Populated Place | 375 | Maricopa | 33 34 12 N | 112 06 09 W |
| Royal Palm Village | Populated Place | 392 | Maricopa | 33 24 45 N | 111 44 50 W |
| Royal Palms of Mesa Shopping Center | Locale | 388 | Maricopa | 33 27 02 N | 111 48 14 W |
| Royal Palo Verde Shopping Center | Locale | 381 | Maricopa | 33 33 05 N | 112 03 30 W |
| Rural School | School | 360 | Maricopa | 33 23 39 N | 111 55 29 W |
| Russian Molokan Cemetery | Cemetery | 339 | Maricopa | 33 31 51 N | 112 13 11 W |
| Ruth Fisher Elementary School | School | 340 | Maricopa | 33 29 31 N | 112 52 16 W |
| Ryan Tank | Reservoir | 860 | Maricopa | 33 45 05 N | 111 34 33 W |
| S B Mountain | Summit | 1113 | Maricopa | 33 53 16 N | 111 34 57 W |
| S C Townhouse Mobile Home Estates | Populated Place | 340 | Maricopa | 33 34 37 N | 112 16 17 W |
| S R P Tolleson Center Heliport | Airport | 315 | Maricopa | 33 26 59 N | 112 13 50 W |
| Sacaton Flats | Flat | 299 | Maricopa | 33 11 14 N | 113 17 13 W |
| Saddle | Populated Place | 220 | Maricopa | 33 09 28 N | 113 04 49 W |
| Saddle Mountain | Summit | 556 | Maricopa | 33 26 00 N | 113 02 33 W |
| Saddle Mountain | Summit | 1990 | Maricopa | 33 57 32 N | 111 31 17 W |
| Saddle Mountain Spring | Spring | 1472 | Maricopa | 33 57 04 N | 111 31 57 W |
| Saddleback Mountain | Summit | 713 | Maricopa | 33 49 08 N | 112 20 12 W |
| Saddlehorn Ranch | Populated Place | 383 | Maricopa | 33 38 28 N | 112 11 19 W |
| Sagewood | Populated Place | 370 | Maricopa | 33 23 17 N | 111 50 13 W |
| Saguaro Airport | Airport | 340 | Maricopa | 33 26 54 N | 112 01 03 W |
| Saguaro del Norte Recreation Site | Park | 466 | Maricopa | 33 34 36 N | 111 32 03 W |
| Saguaro High School | School | 387 | Maricopa | 33 31 38 N | 111 54 24 W |
| Saguaro Lake | Reservoir | 460 | Maricopa | 33 33 56 N | 111 32 12 W |
| Saguaro Lake Marina | Locale | 470 | Maricopa | 33 34 22 N | 111 32 19 W |
| Saguaro Lake Ranch Resort | Locale | 437 | Maricopa | 33 33 33 N | 111 32 10 W |
| Saguaro Tank | Reservoir | 480 | Maricopa | 33 48 02 N | 112 12 15 W |
| Sahara Mobile Home Park | Populated Place | 358 | Maricopa | 33 32 15 N | 112 08 55 W |
| Sahkoo Park | Park | 454 | Maricopa | 33 37 55 N | 111 55 49 W |
| Sahuaro School | School | 387 | Maricopa | 33 36 11 N | 112 07 45 W |
| Saint Agnes School | School | 345 | Maricopa | 33 28 24 N | 112 01 51 W |
| Saint Clair Mountain | Summit | 981 | Maricopa | 33 55 23 N | 111 43 31 W |
| Saint Clair Peak | Summit | 1284 | Maricopa | 33 53 52 N | 111 43 43 W |
| Saint Clair Spring | Spring | 900 | Maricopa | 33 55 17 N | 111 43 58 W |
| Saint Francis Cemetery | Cemetery | 368 | Maricopa | 33 28 24 N | 111 58 29 W |
| Saint Francis Xavier Grade School | School | 345 | Maricopa | 33 30 21 N | 112 04 11 W |
| Saint Gregory School | School | 336 | Maricopa | 33 29 10 N | 112 05 58 W |
| Saint Johns Canal | Canal | 285 | Maricopa | 33 23 29 N | 112 19 37 W |
| Saint Johns Indian School | School | 314 | Maricopa | 33 17 24 N | 112 10 25 W |
| Saint Johns Mission | Populated Place | 314 | Maricopa | 33 17 25 N | 112 10 24 W |
| Saint Josephs Hospital | Hospital | 335 | Maricopa | 33 28 52 N | 112 04 47 W |
| Saint Josephs Hospital Heliport | Airport | 335 | Maricopa | 33 28 54 N | 112 04 41 W |
| Saint Josephs Hospital Helistop | Airport | 335 | Maricopa | 33 28 52 N | 112 04 51 W |
| Saint Lukes Hospital | Hospital | 336 | Maricopa | 33 27 14 N | 112 02 33 W |
| Saint Marks School | School | 341 | Maricopa | 33 27 20 N | 112 01 03 W |
| Saint Marys Elementary School | School | 332 | Maricopa | 33 27 02 N | 112 04 11 W |
| Saint Marys High School | School | 332 | Maricopa | 33 27 09 N | 112 04 14 W |
| Saint Matthews School | School | 327 | Maricopa | 33 27 07 N | 112 06 14 W |
| Saint Simon and Jude School | School | 358 | Maricopa | 33 31 52 N | 112 06 57 W |
| Saint Theresa School | School | 369 | Maricopa | 33 28 23 N | 111 58 23 W |
| Saint Thomas School | School | 355 | Maricopa | 33 30 15 N | 112 01 52 W |
| Saint Vincent de Paul School | School | 334 | Maricopa | 33 29 08 N | 112 10 13 W |
| Salano School | School | 348 | Maricopa | 33 31 04 N | 112 05 34 W |
| Salk Elementary School | School | 454 | Maricopa | 33 26 09 N | 111 40 44 W |
| Salt River | Populated Place | 372 | Maricopa | 33 28 00 N | 111 51 51 W |
| Salt River | Stream | | Maricopa | 33 22 52 N | 112 18 47 W |
| Salt River Indian Day School | School | 372 | Maricopa | 33 28 00 N | 111 51 50 W |
| Salt River Indian Reservation | Reserve | 400 | Maricopa | 33 31 00 N | 111 46 03 W |
| Salt River Post Office | Post Office | 372 | Maricopa | 33 28 00 N | 111 51 51 W |
| Salt River Power Operations Department | Building | 370 | Maricopa | 33 26 46 N | 111 57 08 W |
| Salt River Power Plant | Locale | 385 | Maricopa | 33 29 01 N | 111 56 27 W |
| Salt River Project Housing | Locale | 512 | Maricopa | 33 33 13 N | 111 26 46 W |
| Salt River Project Housing | Locale | 623 | Maricopa | 33 34 58 N | 111 21 18 W |
| Salt River Project Housing | Locale | 433 | Maricopa | 33 33 29 N | 111 32 10 W |
| Salt River Project Housing | Locale | 495 | Maricopa | 33 48 31 N | 111 39 02 W |
| Salt River Project Housing Area | Locale | 618 | Maricopa | 33 58 55 N | 111 43 02 W |
| Salt River Reservation Clinic | Hospital | 373 | Maricopa | 33 28 08 N | 111 52 01 W |
| Salt River Valley | Valley | | Maricopa | 33 22 52 N | 112 18 47 W |
| Sampleys Airport | Airport | 670 | Maricopa | 33 55 22 N | 113 10 55 W |
| San Bernardino | Locale | 139 | Maricopa | 32 59 06 N | 113 19 28 W |
| San Carlos | Populated Place | 368 | Maricopa | 33 20 45 N | 111 51 03 W |
| San Domingo Peak | Summit | 821 | Maricopa | 33 55 41 N | 112 37 55 W |
| San Domingo Wash | Stream | | Maricopa | 33 53 13 N | 112 39 45 W |