| Bald Hill | 516 m | | Southwest Mount Rainier Area |
| Big Craggy Peak | 2575 m | | Central Pasayten Area |
| Barrett Butte | 1001 m | | South Okanogan Highlands |
| Boundary | 1583 m | | Priest Lake Selkirks |
| Bessemer | 1538 m | | North-Middle Forks Snoqualmie |
| Blizzard Peak | 2317 m | | South Hozameen Range |
| Bald | 1744 m | | West Manastash-Umtanum Ridges |
| Becks Hill | 1015 m | | Central Washington Selkirks |
| Berry Peak | 1564 m | | Mount Rainier West Foothills |
| Blue | 922 m | | Three Fingers |
| Bald | 1647 m | | Bacon-Blum-Triumph Area |
| Badger Peak | 1713 m | | Адамс |
| Bangs | 1214 m | | Kettle River Range |
| Blue | 732 m | | Twin Sisters |
| Bismark | 1400 m | | Сент-Хеленс |
| Baldy | 2075 m | | Deception-Gray Wolf |
| Bead Lake Peak | 1455 m | | Priest Lake Selkirks |
| Boulder | 1428 m | | Central Washington Selkirks |
| Brush | 959 m | | Central Washington Selkirks |
| Bowan | 2386 m | | North Methow Mountains |