| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Brace | city | Washington | United States | 46.63 | -120.58 | 1197 | |
| Brady | city | Washington | United States | 47.00 | -123.51 | 95 | |
| Brandts Landing | city | Washington | United States | 48.05 | -119.54 | 1066 | |
| Breakers | city | Washington | United States | 46.37 | -124.05 | 19 | |
| Breidablick | city | Washington | United States | 47.80 | -122.65 | 351 | |
| Bremer | city | Washington | United States | 46.58 | -122.42 | 1043 | |
| Bremerton | city | Washington | United States | 47.57 | -122.63 | 22 | |
| Bremerton Junction | city | Washington | United States | 47.53 | -122.73 | 200 | |
| Brennan | city | Washington | United States | 48.82 | -122.56 | 19 | |
| Bretland | city | Washington | United States | 48.12 | -122.43 | 3 | |
| Brewster | city | Washington | United States | 48.10 | -119.78 | 830 | |
| Briarcliff | city | Washington | United States | 47.64 | -122.41 | 200 | |
| Briarcrest | city | Washington | United States | 47.74 | -122.30 | 262 | |
| Bridgehaven | city | Washington | United States | 47.83 | -122.69 | 0 | |
| Bridgeport | city | Washington | United States | 48.01 | -119.67 | 885 | |
| Brier | city | Washington | United States | 47.78 | -122.27 | 367 | |
| Briercrest | city | Washington | United States | 47.73 | -122.29 | 203 | |
| Brighton | city | Washington | United States | 47.55 | -122.28 | 200 | |
| Brinnon | city | Washington | United States | 47.68 | -122.90 | 0 | |
| Bristol | city | Washington | United States | 47.14 | -120.80 | 1830 | |
| Broadmoor | city | Washington | United States | 47.63 | -122.29 | 190 | |
| Broadview | city | Washington | United States | 47.72 | -122.36 | 400 | |
| Broadway | city | Washington | United States | 47.63 | -122.33 | 269 | |
| Broadway | city | Washington | United States | 47.42 | -120.26 | 1046 | |
| Broadway Heights | city | Washington | United States | 46.99 | -123.83 | 200 | |
| Broadway Terrace Mobile Home Park | city | Washington | United States | 48.00 | -122.20 | 137 | |
| Brockdale | city | Washington | United States | 47.28 | -123.16 | 367 | |
| Bromart | city | Washington | United States | 47.90 | -122.10 | 137 | |
| Brookdale | city | Washington | United States | 47.14 | -122.38 | 400 | |
| Brookdale Greens Mobile Home Park | city | Washington | United States | 47.13 | -122.40 | 383 | |
| Brookfield | city | Washington | United States | 46.26 | -123.56 | 0 | |
| Brooklyn | city | Washington | United States | 46.78 | -123.51 | 200 | |
| Brookside Mobile Home Park | city | Washington | United States | 48.08 | -122.17 | 36 | |
| Brookwood Mobile Home Park | city | Washington | United States | 47.13 | -122.40 | 383 | |
| Brown Lake | city | Washington | United States | 48.47 | -119.66 | 2739 | |
| Browns Point | city | Washington | United States | 47.30 | -122.44 | 0 | |
| Brownstown | city | Washington | United States | 46.40 | -120.61 | 866 | |
| Brownsville | city | Washington | United States | 47.66 | -122.62 | 3 | |
| Bruce | city | Washington | United States | 46.84 | -119.05 | 1669 | |
| Bruceport | city | Washington | United States | 46.68 | -123.90 | 85 | |
| Brush Prairie | city | Washington | United States | 45.73 | -122.55 | 226 | |
| Bryant | city | Washington | United States | 47.67 | -122.28 | 187 | |
| Bryant | city | Washington | United States | 48.24 | -122.16 | 193 | |
| Bryn Mawr | city | Washington | United States | 47.50 | -122.23 | 223 | |
| Bryn Mawr Properties Mobile Home Park | city | Washington | United States | 47.50 | -122.22 | 32 |