Sean Longstaff (born 30 October 1997) is an English professional footballer who plays for Newcastle United U23's. as a midfielder. He has a brother named Matthew Longstaff
Longstaff began his career with the youth team of Newcastle United. He moved on loan to Scottish Premiership club Kilmarnock in January 2017, along with Newcastle teammates Cal Roberts and Freddie Woodman. He signed on loan for Blackpool in July 2017.