Lily Tang Williams (born July 30, 1964) is an American lawyer and perennial candidate who chaired the Colorado Libertarian Party from 2015 to 2016.

Lily Tang Williams was born on July 30, 1964, in Chengdu, the capital of Sichuan province in southwestern China.

Tang Williams was a research assistant at the University of Texas at Austin and got a minimum-wage job at a telemarketing company to improve her English skills.

In the late 1990s, she moved to Hong Kong with her family as an expatriate to work as a corporate executive for PREL, Inc., helping to manage Walmart's operations in China.

In 2009 she and her husband launched a rental property investment and management company that operates primarily in Colorado.

[8] Upon becoming a U.S. citizen in 1995, Tang Williams registered as a Republican after being drawn to the party's positions on limited government.

[14] On January 12, 2016, after resigning as chair of the Colorado Libertarian Party, Tang Williams announced her candidacy for the United States Senate in the 2016 election to unseat incumbent Democratic U.S.

She faced former Hillsborough County Treasurer Bob Burns and Keene Mayor George Hansel in the Republican primary.

[26][27] After the 2022 midterms, Tang Williams announced she would run again for the U.S. House of Representatives in New Hampshire's 2nd congressional district in 2024 to replace Kuster, who is retiring instead of seeking reelection.

[31] Though she is not an active member of the Free State Project, she spoke at the organization's Porcupine Freedom Festival as a congressional candidate in 2024.