Mount Claywood is a 6,836-foot (2,084-metre) mountain summit located within Olympic National Park in Jefferson County of Washington state. It is situated at the head of Lost River, and 15 mi (24 km) east of Mount Olympus. Its nearest higher neighbor is Mount Cameron, 2.4 mi (3.9 km) to the northeast. Other nearby peaks include Mt. Fromme, 0.58 mi (0.93 km) to the southeast, and Sentinel Peak, 2 mi (3.2 km) also to the southeast. Precipitation runoff from the mountain drains north and west into tributaries of the Elwha River, and east into Claywood Lake, thence Dosewallips River.

Henry Clay Wood was a career officer in the United States Army who attained the rank of brigadier general. A Union Army veteran of the American Civil War, he is most notable for his actions at the Battle of Wilson's Creek, which resulted in award of the Medal of Honor.