Stephen J. Murphy is an American politician who is the Suffolk County register of deeds, serving since 2017. From 1997 until 2016, he served as an at-large member of the Boston City Council. He is a member of the Democratic Party.

Boston City Council

Murphy was formerly a member of the Boston City Council. He first joined the Council in February 1997, following the resignation of at-large member Richard P. Iannella, who had been elected Register of Probate of Suffolk County; Murphy had finished fifth in the November 1995 race for four at-large seats, and served the remainder of Iannella's term. Murphy was then elected to a two-year at-large term in November 1997, and reelected eight times. He served as President of the Council for three years (2011–2013). He lost his seat in the November 2015 election. From 2011 through 2013, he served as president of the Boston City Council, with Salvatore LaMattina serving as the vice president.