| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| K Flourney | city | California | United States | 41.22 | -120.53 | 4461 | |
| Kaci-badon (historical) | city | California | United States | 39.04 | -122.91 | 1669 | |
| Kadota | city | California | United States | 37.29 | -120.41 | 196 | |
| Kagel Canyon | city | California | United States | 34.29 | -118.38 | 1669 | |
| Kaiser | city | California | United States | 34.09 | -117.49 | 1131 | |
| Kakalameko | city | California | United States | 38.58 | -121.49 | 16 | |
| Kalina | city | California | United States | 42.00 | -121.42 | 4189 | |
| Kanawyers | city | California | United States | 36.80 | -118.58 | 6709 | |
| Kandra | city | California | United States | 41.83 | -121.40 | 4189 | |
| Kane Spring | city | California | United States | 33.11 | -115.84 | -1689 | |
| Kapalakiko | city | California | United States | 37.77 | -122.42 | 131 | |
| Karlo | city | California | United States | 40.55 | -120.32 | 4498 | |
| Karnak | city | California | United States | 38.78 | -121.66 | 19 | |
| Katella Mobile Home Estates | city | California | United States | 33.81 | -117.98 | 52 | |
| Kathryn | city | California | United States | 33.70 | -117.75 | 272 | |
| Kauffman | city | California | United States | 41.23 | -120.47 | 4589 | |
| Kaweah | city | California | United States | 36.47 | -118.92 | 997 | |
| Kayandee | city | California | United States | 35.35 | -119.00 | 387 | |
| Kearsarge | city | California | United States | 36.81 | -118.12 | 4189 | |
| Kecks Corner | city | California | United States | 35.67 | -120.08 | 872 | |
| Keddie | city | California | United States | 40.01 | -120.96 | 4189 | |
| Keeler | city | California | United States | 36.49 | -117.87 | 3549 | |
| Keenbrook | city | California | United States | 34.25 | -117.46 | 2509 | |
| Keene | city | California | United States | 35.22 | -118.56 | 2693 | |
| Kegg | city | California | United States | 41.69 | -121.99 | 4517 | |
| Keith | city | California | United States | 34.39 | -118.96 | 387 | |
| Kekawaka | city | California | United States | 40.10 | -123.52 | 830 | |
| Keller Place | city | California | United States | 39.72 | -122.91 | 4356 | |
| Kellogg | city | California | United States | 38.63 | -122.67 | 830 | |
| Kelly (historical) | city | California | United States | 40.92 | -122.11 | 1833 | |
| Kelsey | city | California | United States | 38.80 | -120.82 | 2509 | |
| Kelseyville | city | California | United States | 38.98 | -122.84 | 1669 | |
| Kelso | city | California | United States | 35.01 | -115.65 | 2509 | |
| Ken Mar Gardens Mobile Home Park | city | California | United States | 35.11 | -120.59 | 52 | |
| Kennedy | city | California | United States | 37.93 | -121.25 | 22 | |
| Kennedy Meadow | city | California | United States | 38.31 | -119.75 | 6709 | |
| Kennett (historical) | city | California | United States | 40.74 | -122.41 | 1040 | |
| Kenny | city | California | United States | 39.92 | -123.90 | 1669 | |
| Keno (historical) | city | California | United States | 40.76 | -122.72 | 4189 | |
| Kensington | city | California | United States | 37.91 | -122.28 | 830 | |
| Kensington Gardens | city | California | United States | 33.74 | -117.96 | 6 | |
| Kent Woodlands | city | California | United States | 37.95 | -122.56 | 196 | |
| Kentfield | city | California | United States | 37.95 | -122.56 | 196 | |
| Kenton Mill | city | California | United States | 34.64 | -116.36 | 1991 | |
| Kentwood-In-The-Pines | city | California | United States | 33.07 | -116.58 | 4248 | |
| Kenwood | city | California | United States | 38.41 | -122.55 | 413 | |
| Kenwood Estates | city | California | United States | 39.15 | -121.07 | 2509 | |
| Keough Hot Springs | city | California | United States | 37.25 | -118.38 | 4189 | |
| Kephart | city | California | United States | 41.59 | -121.31 | 4304 | |
| Kerby (historical) | city | California | United States | 39.82 | -120.42 | 5029 | |
| Kerens | city | California | United States | 34.97 | -115.81 | 1669 | |
| Kerman | city | California | United States | 36.72 | -120.06 | 216 | |
| Kern | city | California | United States | 35.38 | -118.98 | 830 | |
| Kern City | city | California | United States | 35.35 | -119.07 | 377 | |
| Kern Lake | city | California | United States | 35.14 | -119.07 | 298 | |
| Kernell | city | California | United States | 35.76 | -119.34 | 249 | |
| Kernville | city | California | United States | 35.75 | -118.43 | 2654 | |
| Kernville (historical) | city | California | United States | 35.71 | -118.44 | 2598 | |
| Kester | city | California | United States | 34.17 | -118.42 | 830 | |
| Keswick | city | California | United States | 40.62 | -122.47 | 830 | |
| Keswick Dam Trailer Park | city | California | United States | 40.62 | -122.41 | 830 | |
| Kett | city | California | United States | 40.61 | -122.46 | 830 | |
| Kettenpom | city | California | United States | 40.16 | -123.46 | 3349 | |
| Kettleman | city | California | United States | 38.12 | -121.24 | 55 | |
| Kettleman City | city | California | United States | 36.01 | -119.96 | 219 | |
| Kettleman Station | city | California | United States | 36.00 | -119.96 | 357 | |
| Kevet | city | California | United States | 34.36 | -119.04 | 354 | |
| Keyes | city | California | United States | 37.56 | -120.92 | 85 | |
| Keyesville | city | California | United States | 35.63 | -118.51 | 2814 | |
| Keystone | city | California | United States | 37.84 | -120.51 | 1115 | |
| Keystone | city | California | United States | 33.83 | -118.28 | 39 | |
| Khiu-kîm-sân | city | California | United States | 37.77 | -122.42 | 131 | |
| Khoonkhwuttunne (historical) | city | California | United States | 41.95 | -124.20 | 164 | |
| Khwunrghunme (historical) | city | California | United States | 41.53 | -124.08 | 374 | |
| Kibesillah | city | California | United States | 39.59 | -123.78 | 370 | |
| Kiesel | city | California | United States | 38.66 | -121.62 | 6 | |
| Kilaga Springs | city | California | United States | 38.97 | -121.25 | 830 | |
| Kilkare Woods | city | California | United States | 37.63 | -121.91 | 830 | |
| Kilowatt | city | California | United States | 35.40 | -119.45 | 308 | |
| Kimball | city | California | United States | 34.26 | -119.19 | 98 | |
| Kimballville (historical) | city | California | United States | 34.28 | -119.30 | 0 | |
| Kimberly Gardens Mobile Home Park | city | California | United States | 33.62 | -117.70 | 387 | |
| Kimble (historical) | city | California | United States | 36.37 | -119.72 | 196 | |
| Kincaid | city | California | United States | 34.13 | -117.94 | 344 | |
| King (historical) | city | California | United States | 35.05 | -116.21 | 1066 | |
| King City | city | California | United States | 36.21 | -121.13 | 331 | |
| King Farms | city | California | United States | 38.73 | -121.69 | 29 | |
| King Salmon | city | California | United States | 40.74 | -124.22 | 39 | |
| Kings Beach | city | California | United States | 39.24 | -120.03 | 6709 | |
| Kings Mobile Home Estates | city | California | United States | 36.31 | -119.79 | 196 | |
| Kingsburg | city | California | United States | 36.51 | -119.55 | 275 | |
| Kingston (historical) | city | California | United States | 36.42 | -119.69 | 196 | |
| Kingsville | city | California | United States | 38.68 | -120.88 | 1669 | |
| Kingswood Estates | city | California | United States | 39.26 | -120.06 | 6807 | |
| Kingvale | city | California | United States | 39.32 | -120.43 | 6709 | |
| Kinneloa Mesa | city | California | United States | 34.18 | -118.08 | 1085 | |
| Kinyon | city | California | United States | 41.27 | -121.89 | 4189 | |
| Kirkville | city | California | United States | 38.91 | -121.79 | 32 | |
| Kirkwood | city | California | United States | 38.70 | -120.07 | 7798 | |
| Kirkwood | city | California | United States | 39.86 | -122.16 | 206 | |
| Kiska | city | California | United States | 40.07 | -122.16 | 324 | |
| Kismet | city | California | United States | 37.05 | -120.09 | 285 | |
| Kister | city | California | United States | 39.82 | -121.36 | 5029 | |
| Kit Carson | city | California | United States | 38.67 | -120.11 | 7549 | |
| Kiva Beach | city | California | United States | 38.94 | -120.05 | 6289 | |
| Klamath | city | California | United States | 41.53 | -124.04 | 196 | |
| Klamath Glen | city | California | United States | 41.51 | -123.99 | 200 | |
| Klamath River | city | California | United States | 41.86 | -122.83 | 2509 | |
| Klau | city | California | United States | 35.63 | -120.89 | 1669 | |
| Klinefelter | city | California | United States | 34.90 | -114.77 | 1213 | |
| Klondike | city | California | United States | 34.67 | -116.00 | 1669 | |
| Kneeland | city | California | United States | 40.76 | -123.99 | 2086 | |
| Knights Ferry | city | California | United States | 37.82 | -120.67 | 200 | |
| Knights Landing | city | California | United States | 38.80 | -121.72 | 19 | |
| Knightsen | city | California | United States | 37.97 | -121.67 | 26 | |
| Knob | city | California | United States | 40.39 | -122.99 | 3349 | |
| Knowles | city | California | United States | 37.22 | -119.87 | 1154 | |
| Knowles Corner | city | California | United States | 38.35 | -122.82 | 177 | |
| Knowles Junction | city | California | United States | 37.20 | -119.91 | 830 | |
| Knoxville | city | California | United States | 38.83 | -122.34 | 1669 | |
| Kobe (historical) | city | California | United States | 38.58 | -121.59 | 9 | |
| Koloma (historical) | city | California | United States | 38.80 | -120.89 | 902 | |
| Komandorski Village | city | California | United States | 37.72 | -121.91 | 360 | |
| Kona Kai Mobile Home Park | city | California | United States | 33.74 | -117.92 | 22 | |
| Korbel | city | California | United States | 38.51 | -122.96 | 78 | |
| Korbel | city | California | United States | 40.87 | -123.96 | 291 | |
| Korblex | city | California | United States | 40.90 | -124.07 | 187 | |
| Koreatown | city | California | United States | 34.06 | -118.30 | 206 | |
| Koronado | city | California | United States | 32.69 | -117.18 | 0 | |
| Kota Yuba | city | California | United States | 39.14 | -121.62 | 55 | |
| Kramer | city | California | United States | 34.99 | -117.59 | 2509 | |
| Kramer Hills | city | California | United States | 34.92 | -117.47 | 2782 | |
| Kramer Junction | city | California | United States | 34.99 | -117.54 | 2509 | |
| Kramm | city | California | United States | 39.55 | -121.58 | 830 | |
| Kres | city | California | United States | 39.20 | -121.01 | 2798 | |
| Krug | city | California | United States | 38.52 | -122.48 | 278 | |
| Kunuqug (historical) | city | California | United States | 34.45 | -120.47 | 0 | |
| Kurand (historical) | city | California | United States | 39.53 | -122.29 | 190 | |
| Kuunari | city | California | United States | 34.44 | -119.83 | 65 | |
| Kworatem (historical) | city | California | United States | 41.38 | -123.49 | 830 | |
| Kyan (historical) | city | California | United States | 35.13 | -119.26 | 351 | |
| Kyburz | city | California | United States | 38.77 | -120.30 | 4524 |