Lydia J. Reid (born 1938 or 1939) is an American politician of the Democratic Party who served as the first female and longest-serving mayor of Mansfield, Ohio encompassing three four-year terms from 1993 to 2007.
She retired due to term limits, after serving her last day in office on November 30, 2007; her successor Donald Culliver, the city's first black mayor, assumed office on December 1, 2007.
Lydia Reid was married to Rodney Reid from 1979 until his death in July 2019.