Dawn E. Pettengill (born July 2, 1955) is an American retired politician from Iowa. She was a member of the Iowa House of Representatives  from 2005 to 2019, where she represented the 75th District (numbered as the 39th District until January 2013).
Dawn E. Pettengill, born on July 2, 1955, was a politician from Iowa who served in the Iowa House of Representatives from 2005 to 2019, representing the 75th District (which was previously known as the 39th District until January 2013).