Clan Porterfield is a Scottish clan associated with the region of Renfrewshire. The Porterfields were landowners and held positions of influence in the area.
One notable figure from Clan Porterfield is George Porterfield. He was a Scottish military officer who served during the 17th century. George Porterfield played a significant role in defending the city of Derry during the Siege of Derry in 1689. His leadership and courage in the face of adversity contributed to the successful defense of the city.