This encyclopedia comprehensively surveys the evolution of Latina/o engagement in US politics as voters, candidates, lawmakers, and public officials. It is an authoritative resource for public library patrons, high school students, and undergraduates in a variety of curricular studies, including political science, civics, American history, and Latino studies. A-Z entries provide thorough coverage of all of the individuals, organizations, cultural forces, political issues, and legal decisions that have combined to elevate the role of Latinos at the polls, on the campaign trail, in Washington, and in mayors' offices, city councils, school boards, and statehouses all across the country. In-depth essays on the rising prominence of Latino Americans as voters, candidates, public officials, lawmakers, and opinion leaders provide further context for understanding their impact on modern U.S. political processes and institutions from the perspective of liberals and conservatives alike.