Alastair Seeley (born 4 October 1979 in Carrickfergus) is a motorcycle road racer.
He currently competes in the British Supersport Championship, aboard a MV Agusta 675 F3.
During 2017, he competed in the inaugural British GP2 category within the British Supersport National Championship riding a Spirit motorcycle having a Triumph 675 engine.He competed in the 2016 British Superbike Championship aboard a BMW S1000R, having switched from Tyco BMW in the Superstock class.
He was the 2009 British Superstock champion, and also has a strong record in road racing.
He prefers fast, flowing circuits, and tends to get his best results on them.