William Pendleton Bill House (1914-1997) was an American climber. In 1936, along with Fritz Wiessner, he and Wiessner became the first people to climb Mount Waddington in Canada, a mountain on which there had previously been sixteen unsuccessful attempts. On the 1938 American K2 expedition, he was the first to climb House's Chimney when he free-climbed it in 1938. It was subsequently named after him.