Piero (Pierre)[1] Maquignaz (pron. fr. pronounced as /makiɲa'/) from Valtournenche was an Italian cross-country skier and military patrol runner, who competed in the 1920s and 1930s.
Maquignaz won the 18 kilometres event of the 1926 Italian men's championships of cross-country skiing, and placed second in the following year.[2] At the 1928 Winter Olympics in St. Moritz, he was member of the Italian military patrol team (demonstration event).[3] In 1933, he was member of the winner team at the first Mezzalama Trophy event.[4]