Mary B. Wolf was the second female mayor of City of Williamsport, Pennsylvania in the United States, serving from 2004 to 2008.
She had previously served for eight years on the city council and at the time taught political science at Lycoming College in Williamsport.
In office, Wolf focused her administration on crime and curfew-related policies.
She reinstated the Director of Public Safety position at that time.
Wolf was defeated in the 2007 primary election by the Republican challenger Gabriel J. Campana.