Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Tunnel Spring | Spring | 1023 | Maricopa | 33 51 17 N | 113 17 06 W |
| Tunnel Spring | Spring | 1573 | Maricopa | 33 47 51 N | 111 25 22 W |
| Turf Airport | Airport | 412 | Maricopa | 33 37 58 N | 112 05 30 W |
| Turf Heliport | Airport | 419 | Maricopa | 33 27 47 N | 111 43 45 W |
| Turf Mobile Manor | Populated Place | 406 | Maricopa | 33 37 38 N | 112 05 54 W |
| Turf Paradise | Locale | 412 | Maricopa | 33 38 04 N | 112 05 33 W |
| Turf Paradise Travel Trailer Park | Locale | 407 | Maricopa | 33 37 40 N | 112 05 48 W |
| Turf Trailer Lodge | Populated Place | 416 | Maricopa | 33 38 30 N | 112 05 43 W |
| Turkey Track Mine | Mine | 485 | Maricopa | 33 39 36 N | 112 02 10 W |
| Turney Spring | Spring | 1635 | Maricopa | 33 29 18 N | 111 07 54 W |
| Turtle Creek | Populated Place | 419 | Maricopa | 33 38 18 N | 112 04 17 W |
| Turtleback Wash | Stream | | Maricopa | 33 56 58 N | 112 42 41 W |
| Tuthill Dike Wash | Arroyo | | Maricopa | 33 27 06 N | 112 29 45 W |
| Twenieth Street School | School | 336 | Maricopa | 33 26 13 N | 112 02 22 W |
| Twenty-third Avenue Railroad Station | Building | 325 | Maricopa | 33 26 40 N | 112 06 42 W |
| Twin Acres Family Mobile Park | Populated Place | 476 | Maricopa | 33 24 49 N | 111 36 59 W |
| Twin Butte | Summit | 398 | Maricopa | 33 24 11 N | 111 58 22 W |
| Twin Buttes | Summit | 655 | Maricopa | 33 47 10 N | 112 19 52 W |
| Twin Buttes Wash | Stream | | Maricopa | 33 42 30 N | 112 18 04 W |
| Twin Buzzards Mine | Mine | 769 | Maricopa | 33 55 22 N | 112 47 54 W |
| Twin Joe Tank | Reservoir | 822 | Maricopa | 33 55 09 N | 112 53 16 W |
| Twin Knolls | Populated Place | 451 | Maricopa | 33 24 48 N | 111 39 04 W |
| Twin Peaks | Summit | 1013 | Maricopa | 33 54 35 N | 112 49 36 W |
| Twin Peaks Wash | Stream | | Maricopa | 33 57 03 N | 112 48 32 W |
| Twin Tanks | Reservoir | 551 | Maricopa | 33 44 15 N | 112 54 51 W |
| Twin Tanks | Reservoir | 671 | Maricopa | 33 49 26 N | 113 09 20 W |
| Two Bar Canyon | Valley | | Maricopa | 33 34 13 N | 111 04 10 W |
| Two Bar Mountain | Summit | 1583 | Maricopa | 33 32 14 N | 111 06 49 W |
| Two Bar Ridge | Ridge | 1490 | Maricopa | 33 33 37 N | 111 07 44 W |
| Two Peaks | Summit | 671 | Maricopa | 33 21 19 N | 112 01 33 W |
| U S Mine | Mine | 783 | Maricopa | 33 43 18 N | 113 01 38 W |
| U S Tank | Reservoir | 673 | Maricopa | 33 44 20 N | 113 01 09 W |
| Underdown Junior High School | School | 301 | Maricopa | 33 25 52 N | 112 17 27 W |
| Union | Locale | 302 | Maricopa | 33 24 37 N | 112 15 20 W |
| Union High School | School | 309 | Maricopa | 33 26 59 N | 112 15 48 W |
| Union High School | School | 333 | Maricopa | 33 27 06 N | 112 04 02 W |
| Union High School | School | 348 | Maricopa | 33 32 23 N | 112 11 42 W |
| Union Hills | Summit | 574 | Maricopa | 33 43 16 N | 112 03 37 W |
| Union Hills Golf Course | Locale | 372 | Maricopa | 33 38 54 N | 112 16 11 W |
| Union Hills Manor | Populated Place | 406 | Maricopa | 33 39 12 N | 112 08 10 W |
| Union Hills Substation | Locale | 424 | Maricopa | 33 39 11 N | 112 05 21 W |
| Union Mine | Mine | 486 | Maricopa | 33 41 01 N | 112 02 48 W |
| Union Plaza Shopping Center | Locale | 419 | Maricopa | 33 39 14 N | 112 06 03 W |
| Union School | School | 302 | Maricopa | 33 24 37 N | 112 15 21 W |
| Union Station | Building | 329 | Maricopa | 33 26 41 N | 112 04 48 W |
| Unit Seven School | School | 353 | Maricopa | 33 31 50 N | 112 09 49 W |
| United Bank Plaza Heliport | Airport | 336 | Maricopa | 33 29 07 N | 112 04 31 W |
| Unity Park | Flat | 226 | Maricopa | 32 56 36 N | 112 43 04 W |
| University Activity Center | Building | 356 | Maricopa | 33 25 27 N | 111 55 51 W |
| University Mobile Home Park | Populated Place | 358 | Maricopa | 33 25 01 N | 111 55 25 W |
| University of Arizona Cotton Research Center | Locale | 345 | Maricopa | 33 24 22 N | 111 59 31 W |
| University of Arizona Experimental Farm | Locale | 362 | Maricopa | 33 23 01 N | 111 57 45 W |
| University of Arizona Experimental Farm | Locale | 374 | Maricopa | 33 24 48 N | 111 51 45 W |
| University Park | Park | 329 | Maricopa | 33 27 09 N | 112 05 15 W |
| Upper Alder Creek Spring | Spring | 1159 | Maricopa | 33 54 20 N | 111 30 39 W |
| Upper Belmont Well | Well | 510 | Maricopa | 33 37 23 N | 112 56 26 W |
| Upper Horrell | Locale | 1001 | Maricopa | 33 31 43 N | 111 04 59 W |
| Upper Sheep Creek Spring | Spring | 1315 | Maricopa | 33 55 30 N | 111 31 14 W |
| Upper Two Bar Spring | Spring | 1369 | Maricopa | 33 33 40 N | 111 07 29 W |
| Upper Well | Well | 764 | Maricopa | 33 53 16 N | 112 00 43 W |
| Uptown Plaza Shopping Center | Locale | 346 | Maricopa | 33 30 37 N | 112 04 23 W |
| Usery Mountain | Summit | 826 | Maricopa | 33 29 57 N | 111 38 31 W |
| Usery Mountain Park | Flat | 628 | Maricopa | 33 28 07 N | 111 36 33 W |
| Usery Mountain Regional Park | Park | 576 | Maricopa | 33 27 57 N | 111 37 04 W |
| Usery Mountains | Summit | 890 | Maricopa | 33 30 03 N | 111 38 25 W |
| Usery Pass | Gap | 646 | Maricopa | 33 29 40 N | 111 37 02 W |
| V H Lassen Junior High School | School | 345 | Maricopa | 33 23 02 N | 112 05 05 W |
| Val Vista Trailer Park | Populated Place | 460 | Maricopa | 33 39 34 N | 112 01 59 W |
| Val Vista Village Trailer Park Mini Park | Park | 392 | Maricopa | 33 25 06 N | 111 45 15 W |
| Val Vista Village Trailer Park Water Retention Basin | Reservoir | 392 | Maricopa | 33 25 07 N | 111 45 14 W |
| Valencia | Populated Place | 272 | Maricopa | 33 22 46 N | 112 35 03 W |
| Valley East Plaza Shopping Center | Locale | 368 | Maricopa | 33 23 37 N | 111 51 53 W |
| Valley Fair Shopping Center | Locale | 366 | Maricopa | 33 33 14 N | 112 08 08 W |
| Valley Fair Shopping Center | Locale | 358 | Maricopa | 33 23 31 N | 111 56 18 W |
| Valley Gardens Trailer Park | Populated Place | 344 | Maricopa | 33 27 00 N | 112 00 23 W |
| Valley Lutheran Hospital Heliport | Airport | 425 | Maricopa | 33 24 38 N | 111 41 22 W |
| Valley Lutheran Hospital Heliport | Airport | 424 | Maricopa | 33 24 35 N | 111 41 20 W |
| Valley Mobile Homes Estate | Populated Place | 370 | Maricopa | 33 19 03 N | 111 50 18 W |
| Valley of the Sun Memorial Park | Cemetery | 342 | Maricopa | 33 29 21 N | 112 02 56 W |
| Valley of the Sun Memorial Park | Cemetery | 369 | Maricopa | 33 14 01 N | 111 50 51 W |
| Valley of the Sun School | School | 329 | Maricopa | 33 27 54 N | 112 07 35 W |
| Valley Palms Mobile Home Park | Populated Place | 473 | Maricopa | 33 24 52 N | 111 37 17 W |
| Valley Plaza | Locale | 362 | Maricopa | 33 23 41 N | 111 54 28 W |
| Valley Plaza Shopping Center | Locale | 372 | Maricopa | 33 27 57 N | 111 55 17 W |
| Valley View | Populated Place | 427 | Maricopa | 33 39 17 N | 112 04 46 W |
| Valley View Community Hospital | Hospital | 345 | Maricopa | 33 35 43 N | 112 18 10 W |
| Valley View School | School | 362 | Maricopa | 33 22 15 N | 112 05 02 W |
| Valley West Mall | Locale | 355 | Maricopa | 33 33 05 N | 112 10 54 W |
| Varney Park | Park | 350 | Maricopa | 33 35 24 N | 112 14 09 W |
| Vekol Interchange | Crossing | 527 | Maricopa | 32 50 32 N | 112 15 19 W |
| Vekol Valley | Valley | | Maricopa | 32 55 43 N | 112 14 14 W |
| Velda Rose Estates | Populated Place | 430 | Maricopa | 33 25 10 N | 111 41 23 W |
| Velda Rose Gardens | Populated Place | 411 | Maricopa | 33 24 45 N | 111 42 48 W |
| Velda Rose Shopping Center | Locale | 415 | Maricopa | 33 24 58 N | 111 42 34 W |
| Venture Out | Populated Place | 405 | Maricopa | 33 24 42 N | 111 43 26 W |
| Venturoso Park | Park | 431 | Maricopa | 33 36 56 N | 112 00 45 W |
| Verde Park | Park | 333 | Maricopa | 33 27 08 N | 112 03 39 W |
| Verde Real | Populated Place | 390 | Maricopa | 33 37 36 N | 112 08 57 W |
| Verde River | Stream | | Maricopa | 33 32 49 N | 111 39 38 W |
| Veterans Administration Hospital | Hospital | 341 | Maricopa | 33 29 45 N | 112 04 01 W |
| Viewpoint Lake | Lake | 353 | Maricopa | 33 36 28 N | 112 17 02 W |
| Villa Buena | Locale | 309 | Maricopa | 33 21 00 N | 112 12 38 W |
| Villa Carmel Mobile Home Park | Populated Place | 435 | Maricopa | 33 38 03 N | 112 01 43 W |
| Villa de Paz | Populated Place | 314 | Maricopa | 33 29 59 N | 112 17 00 W |
| Villa de Paz Golf Course | Locale | 315 | Maricopa | 33 30 14 N | 112 16 57 W |
| Villa Monte Vista | Populated Place | 339 | Maricopa | 33 23 40 N | 112 03 23 W |
| Villa Monterey Golf Course | Locale | 381 | Maricopa | 33 30 27 N | 111 54 31 W |
| Villa Novena | Populated Place | 353 | Maricopa | 33 31 40 N | 112 05 09 W |
| Villa Vista | Populated Place | 345 | Maricopa | 33 35 23 N | 112 15 23 W |
| Village Center Shopping Center | Locale | 377 | Maricopa | 33 21 48 N | 111 47 18 W |