Sam Baines (Born 8 February 1991, in Melbourne, Australia) is an Australian track and field athlete, specialising in the 110 m Hurdles.
Baines was born in Melbourne, Victoria. He holds the Australian U/18 Record for the 110m Hurdles and also holds the Commonwealth Youth Record. He is coached by James Karageorgiou and competed for the Old Melburnians Athletics Club.
At the III Commonwealth Youth Games in Pune, India he placed 1st in a Commonwealth Youth record time of 13.77s.
He was ranked number 1 in the world for U/18 110m Hurdles.
He competed at the 13th IAAF World Junior Championships in Athletics and placed 4th in the Final.