Feature Name | Class | Elev. meters | County | Latitude DMS | Longitude DMS |
| Yankee Ridge | Ridge | 462 | Yukon-Koyukuk (CA) | 68 17 58 N | 141 15 00 W |
| Yankee River | Stream | | Nome (CA) | 65 43 20 N | 167 21 51 W |
| Yankee Slough | Stream | | Yukon-Koyukuk (CA) | 63 14 49 N | 159 40 59 W |
| Yantarni Bay | Bay | -1 | Lake and Peninsula | 56 49 50 N | 157 08 44 W |
| Yantarni Creek | Stream | | Lake and Peninsula | 56 51 25 N | 157 11 05 W |
| Yantarni Volcano | Summit | 1191 | Lake and Peninsula | 57 01 05 N | 157 11 00 W |
| Yar'am-anatu'ulug | Cape | 0 | Aleutians West (CA) | 56 36 20 N | 169 29 35 W |
| Yarger Lake | Lake | 518 | Southeast Fairbanks (CA) | 62 57 39 N | 141 38 54 W |
| Yarrow Creek | Stream | | Nome (CA) | 65 42 08 N | 164 08 22 W |
| Yasha Island | Island | 3 | Skagway-Hoonah-Angoon (CA) | 56 57 59 N | 134 33 37 W |
| Yasuda Mountain | Summit | 1035 | Yukon-Koyukuk (CA) | 68 24 49 N | 145 32 34 W |
| Yates Pond | Lake | 89 | Matanuska-Susitna | 61 39 45 N | 150 03 38 W |
| Yatuk Creek | Stream | | Prince of Wales-Outer Ketchikan (CA) | 55 53 42 N | 133 09 08 W |
| Yearling Lake | Lake | 66 | Kenai Peninsula | 60 38 24 N | 150 40 58 W |
| Yeek-Sha Mountain | Summit | 665 | Skagway-Hoonah-Angoon (CA) | 57 36 34 N | 133 59 48 W |
| Yehring Creek | Stream | | Juneau | 58 30 39 N | 133 48 13 W |
| Yeldagalga Creek | Stream | | Haines | 59 06 07 N | 135 13 17 W |
| Yellow Bear Mountain | Summit | 887 | Skagway-Hoonah-Angoon (CA) | 57 34 12 N | 134 13 41 W |
| Yellow Bluff Creek | Stream | | Lake and Peninsula | 56 47 31 N | 158 44 07 W |
| Yellow Cliffs | Cliff | 6 | Valdez-Cordova (CA) | 60 20 29 N | 147 38 18 W |
| Yellow Creek | Stream | | Denali | 63 34 09 N | 150 50 14 W |
| Yellow Creek | Stream | | Lake and Peninsula | 59 10 42 N | 156 45 45 W |
| Yellow Creek | Stream | | Yukon-Koyukuk (CA) | 65 16 02 N | 152 56 02 W |
| Yellow Creek | Stream | | Yukon-Koyukuk (CA) | 65 46 10 N | 146 45 15 W |
| Yellow Hill | Summit | 119 | Prince of Wales-Outer Ketchikan (CA) | 55 06 08 N | 131 34 23 W |
| Yellow Island | Island | 27 | Wrangell-Petersburg (CA) | 56 25 46 N | 133 32 57 W |
| Yellow Jacket Creek | Stream | | Matanuska-Susitna | 61 47 37 N | 147 30 07 W |
| Yellow Point | Cape | 26 | Prince of Wales-Outer Ketchikan (CA) | 55 04 15 N | 131 32 02 W |
| Yellow Point | Cape | 20 | Sitka | 57 26 47 N | 135 33 23 W |
| Yellow Pup Creek | Stream | | Fairbanks North Star | 64 59 22 N | 147 18 41 W |
| Yellow River | Stream | | Yukon-Koyukuk (CA) | 62 55 19 N | 160 40 49 W |
| Yellow Rock | Island | 3 | Sitka | 57 18 14 N | 134 54 02 W |
| Yellow Rocks | Island | 3 | Prince of Wales-Outer Ketchikan (CA) | 54 47 28 N | 131 13 57 W |
| Yellow Water Creek | Stream | | Southeast Fairbanks (CA) | 62 54 54 N | 141 00 17 W |
| Yellowband Mine | Mine | 1346 | Valdez-Cordova (CA) | 61 03 10 N | 143 25 04 W |
| Yellowjacket Creek | Stream | | Matanuska-Susitna | 62 24 19 N | 148 31 50 W |
| Yellowstone Creek | Stream | | Nome (CA) | 65 11 49 N | 166 27 36 W |
| Yelnu Islets | Island | -3 | Prince of Wales-Outer Ketchikan (CA) | 54 56 03 N | 130 19 59 W |
| Yelovoi | Locale | 12 | Kodiak Island | 57 54 00 N | 152 24 00 W |
| Yelper Cove | Bay | -3 | Valdez-Cordova (CA) | 60 28 38 N | 146 22 37 W |
| Yenituk Creek | Stream | | Yukon-Koyukuk (CA) | 67 56 49 N | 152 13 25 W |
| Yenlo Creek | Stream | | Matanuska-Susitna | 62 03 49 N | 150 59 20 W |
| Yenlo Hills | Ridge | 957 | Matanuska-Susitna | 62 07 25 N | 151 16 37 W |
| Yensus Lake | Lake | 30 | Matanuska-Susitna | 61 34 25 N | 150 36 00 W |
| Yentna Glacier | Glacier | 855 | Matanuska-Susitna | 62 43 07 N | 151 40 57 W |
| Yentna River | Stream | | Matanuska-Susitna | 61 33 38 N | 150 29 04 W |
| Yermak Lake | Lake | 125 | Sitka | 56 41 41 N | 134 39 22 W |
| Yerrick Creek | Stream | | Southeast Fairbanks (CA) | 63 23 43 N | 143 33 00 W |
| Yes Bay | Bay | -3 | Prince of Wales-Outer Ketchikan (CA) | 55 54 48 N | 131 47 37 W |
| Yes Bay | Locale | 18 | Prince of Wales-Outer Ketchikan (CA) | 55 55 00 N | 131 48 00 W |
| Yes Bay (historical) | Populated Place | 3 | Prince of Wales-Outer Ketchikan (CA) | 55 54 35 N | 131 48 00 W |
| Yes Bay Lodge Seaplane Base | Airport | 5 | Prince of Wales-Outer Ketchikan (CA) | 55 54 58 N | 131 48 04 W |
| Yetna Creek | Stream | | Valdez-Cordova (CA) | 61 57 30 N | 145 17 33 W |
| Yetna River | Stream | -2 | Yukon-Koyukuk (CA) | 63 10 45 N | 158 16 00 W |
| Yindastuki | Locale | 78 | Haines | 59 14 57 N | 135 31 30 W |
| Yindastuki Indian Reservation | Reserve | 35 | Haines | 59 15 02 N | 135 31 54 W |
| Yistletaw | Populated Place | -2 | Yukon-Koyukuk (CA) | 64 49 21 N | 157 22 21 W |
| Yllota Slough | Stream | | Yukon-Koyukuk (CA) | 66 33 44 N | 145 14 47 W |
| Ynveeghik River | Stream | | Nome (CA) | 63 34 07 N | 170 57 43 W |
| Yoder Lake | Lake | 256 | Denali | 63 37 51 N | 152 40 42 W |
| Yohn Lake | Lake | 19 | Matanuska-Susitna | 61 28 11 N | 150 10 36 W |
| Yokakek | Locale | -2 | Yukon-Koyukuk (CA) | 64 43 00 N | 156 13 00 W |
| Yoke Bay | Bay | 1 | Aleutians West (CA) | 52 00 19 N | 176 00 46 W |
| Yoke Mountain | Summit | 727 | Bethel (CA) | 59 30 00 N | 161 38 00 W |
| Yoke Pass | Channel | 1 | Aleutians West (CA) | 51 59 12 N | 176 00 26 W |
| Yokneda Lakes | Lake | 599 | Valdez-Cordova (CA) | 62 29 14 N | 144 42 31 W |
| Yokontoh Slough | Gut | -2 | Yukon-Koyukuk (CA) | 63 21 44 N | 159 24 55 W |
| Yori Pass | Gap | 548 | Lake and Peninsula | 58 20 20 N | 155 38 49 W |
| York | Populated Place | -2 | Nome (CA) | 65 29 37 N | 167 41 03 W |
| York Creek | Stream | | Nome (CA) | 65 45 37 N | 167 01 43 W |
| York Creek | Stream | | Skagway-Hoonah-Angoon (CA) | 58 38 26 N | 135 55 08 W |
| York Island | Island | 0 | Prince of Wales-Outer Ketchikan (CA) | 54 45 48 N | 130 25 35 W |
| York Mountains | Range | -2 | Nome (CA) | 65 29 40 N | 167 14 16 W |
| You Creek | Stream | 0 | North Slope | 68 40 30 N | 140 55 00 W |
| Youghapotit Rocks | Bar | -2 | Nome (CA) | 63 03 01 N | 169 59 55 W |
| Young Bay | Bay | 2 | Skagway-Hoonah-Angoon (CA) | 58 11 15 N | 134 38 47 W |
| Young Beach | Beach | 23 | Skagway-Hoonah-Angoon (CA) | 58 11 32 N | 134 34 00 W |
| Young Creek | Stream | | Denali | 63 45 11 N | 147 56 08 W |
| Young Creek | Stream | 951 | Denali | 63 45 00 N | 147 53 00 W |
| Young Creek | Stream | | Matanuska-Susitna | 61 44 50 N | 148 42 38 W |
| Young Creek | Stream | | Valdez-Cordova (CA) | 61 48 19 N | 141 18 50 W |
| Young Creek | Stream | | Valdez-Cordova (CA) | 61 21 55 N | 142 43 32 W |
| Young Goose Creek | Stream | | Northwest Arctic | 65 44 52 N | 160 35 01 W |
| Young Hill | Summit | 671 | Aleutians West (CA) | 52 55 24 N | 173 01 57 E |
| Young Island | Island | 19 | Skagway-Hoonah-Angoon (CA) | 58 28 29 N | 135 58 13 W |
| Young Island | Island | -2 | Yukon-Koyukuk (CA) | 65 49 05 N | 156 16 46 W |
| Young Lake | Lake | 103 | Skagway-Hoonah-Angoon (CA) | 58 07 30 N | 134 28 40 W |
| Young Rock | Island | -2 | Wrangell-Petersburg (CA) | 56 21 30 N | 132 23 09 W |
| Younger Creek | Stream | 869 | Southeast Fairbanks (CA) | 64 03 20 N | 141 02 03 W |
| Youngs Island | Island | 50 | Yukon-Koyukuk (CA) | 65 04 44 N | 153 41 40 W |
| Youngstown | Locale | 72 | Matanuska-Susitna | 62 13 50 N | 151 39 00 W |
| Youngstown Bend | Bend | 71 | Matanuska-Susitna | 62 13 24 N | 151 39 09 W |
| Your Creek | Stream | | Yukon-Koyukuk (CA) | 67 46 16 N | 147 45 35 W |
| Youth Creek | Stream | | Dillingham (CA) | 59 26 09 N | 159 00 45 W |
| Yug Point | Cape | 67 | Aleutians West (CA) | 51 56 46 N | 177 38 52 E |
| Yugnat Rocks | Bar | 2 | Kodiak Island | 58 20 49 N | 154 02 15 W |
| Yugok Lake | Lake | 73 | Kenai Peninsula | 60 45 37 N | 150 30 52 W |
| Yukaniluk Creek | Gut | -2 | Bethel (CA) | 61 10 32 N | 160 43 00 W |
| Yuki Island | Island | -2 | Yukon-Koyukuk (CA) | 64 43 21 N | 156 04 04 W |
| Yuki Mountain | Summit | -2 | Yukon-Koyukuk (CA) | 64 27 40 N | 155 53 10 W |
| Yuki River | Stream | | Yukon-Koyukuk (CA) | 64 42 58 N | 156 07 15 W |
| Yukon Bar | Bar | 432 | Yukon-Koyukuk (CA) | 65 29 16 N | 150 01 53 W |
| Yukon Creek | Stream | | Yukon-Koyukuk (CA) | 64 23 34 N | 158 15 23 W |
| Yukon Delta | Area | -2 | Wade Hampton (CA) | 62 40 00 N | 164 15 00 W |
| Yukon Delta National Wildlife Refuge | Park | -2 | Bethel (CA) | 61 00 02 N | 163 00 02 W |
| Yukon Flats | Flat | 124 | Yukon-Koyukuk (CA) | 66 40 00 N | 145 45 00 W |
| Yukon Flats National Wildlife Refuge | Park | 124 | Yukon-Koyukuk (CA) | 66 20 00 N | 146 00 02 W |
| Yukon Fork | Stream | 401 | Yukon-Koyukuk (CA) | 65 13 30 N | 144 18 40 W |
| Yukon Fork South Fork Birch Creek | Stream | | Yukon-Koyukuk (CA) | 65 13 35 N | 144 18 46 W |
| Yukon Harbor | Bay | -1 | Aleutians East | 55 04 02 N | 159 30 48 W |