Matthew William Mahan is an American politician and tech entrepreneur, now serving his first term as the Mayor of San Jose. He previously served as the District 10 Councilmember representing the Almaden Valley, Blossom Valley, and Vista Park neighborhoods. Mahan also served as the co-founder and CEO of Brigade Media, a tech company focused on civic engagement.

The Mayor of San Jose, officially the Mayor of the City of San José, is executive of the Government of the City of San Jose, California in the United States.