Katy Tang (Chinese: 湯凱蒂; pinyin: Tāng Kǎidì) is a former American elected official in San Francisco, California.

She grew up in the Sunset District, attended Lowell High School, and graduated from University of California, Davis with a double B.A.

[5] · HOME-SF — Local version of the State Density Bonus Law, which provides incentives for creation of low and middle-income housing units citywide.

[11][12] · Food Service Waste Reduction — Legislation prohibits usage and sale of plastic straws in San Francisco, requires that food service ware accessories be provided only upon request or at self-service stations, and requires that large events with over 100 people on City property provide at least 10% reusable beverage cups.

[18][19] On Tuesday June 12, 2018 Katy Tang announced that she would not run for reelection for another term on the San Francisco Board of Supervisors and was succeeded by Gordon Mar.