Beverly "Bev" D. Mackereth (née Ehrlich) (born January 27, 1958) is a former Pennsylvania Secretary of Public Welfare. She also served as a member of the Pennsylvania House of Representatives. She represented the 196th state legislative district in York County, Pennsylvania and is a member of the Republican Party. Representative Mackereth chaired the Subcommittee on Drugs and Alcohol, and was a member of the committees of Judiciary, Children and Youth, Education, and Health and Human Services. She remains a resident of Spring Grove, and is married with four children.