Peter Alan Baker (born 7 October 1967) is an English professional golfer.

In 1985, he was the joint winner of the Brabazon Trophy, after a tie with Roger Roper.

He represented Great Britain & Ireland in the 1985 Walker Cup and turned professional the following year.

He also won the Mauritius Open at the end of 2007, beating José-Filipe Lima by three shots.

He won the 2019 Arras Open Senior Hauts de France, 5 strokes ahead of James Kingston.