Alfonso Hoffman Lopez (born July 28, 1970) is an American politician, former Obama administration official, and member of the Virginia House of Delegates.

His mother, an American woman of Pennsylvania Dutch heritage, taught and counseled in the Arlington Public Schools system for thirty years before passing away in 2008.

[8][9] As a young child, Lopez's family traveled extensively, living in Liberia, Dominican Republic, Ecuador, and Venezuela, before settling in Northern Virginia.

[9] After graduating from law school, Lopez worked on policy issues for Physicians for Social Responsibility, before joining the staff of Senator Robert G. Torricelli as a legislative assistant in 1999.

He prevailed against opponent Stephanie Clifford with 66.07% of the vote in the Democratic primary on August 23[13] and ran unopposed in the general election.

[15] In February 2014, Lopez announced his candidacy for the U.S. House of Representatives seat being vacated by retiring Congressman Jim Moran.

[23] In October 2020, preschool teacher Karishma Mehta announced her intention to challenge Lopez in the 2021 Democratic primary to represent Virginia's 49th district.

In the House of Delegates, Lopez has prioritized legislation focusing on environmental issues, immigrant rights, and small businesses.

[33][34] In 2018, Lopez passed legislation extending a state tax credit for jobs created in the field of renewable energy.

[4] In late 2017, Lopez received criticism for performing work for ICA-Farmville, an immigrant detention facility in southern Virginia, during the later years of the Obama administration.

Outside of his service in the House of Delegates—a part-time legislature—Lopez previously served as a partner at two consulting firms focused on business and government management.

[37] In lieu of responding to the demands or providing an explanation, Lopez released a statement highlighting his extensive pro-immigrant legislative record, as well as his leading role in fighting against conservative legislation to ban sanctuary cities and mandate local police compliance with detention requests from U.S. Immigration and Customs Enforcement.

[36] Since 2019, Lopez has worked as a senior corporate and government relations consultant for the Washington, D.C. office of the commercial law firm Becker & Poliakoff.