Sebastien Trésarrieu (born 10 January 1981) is a French motorcycle racer and competes in Grasstrack, Longtrack and motorcycle speedway. He earned 2 caps for the France national speedway team.
Trésarrieu raced in Britain from 2001 until 2005 for the Isle of Wight Islanders. Additionally, he rode for Swindon Robins and Exeter Falcons.
Sebastien has two brothers who also compete in motorcycle racing, they are Mathieu Trésarrieu and Stéphane Trésarrieu and a nephew Mathias Trésarrieu.