Graeme Murray Walker, OBE is a Formula 1 motorsport commentator. He was educated at Highgate School and Sandhurst, and for most of his career he worked for the BBC, but when it lost the contract for F1 coverage to the company ITV, Walker continued his commentating there.

He is famous in the United Kingdom for his very distinctive enthusiastic commentary style. He regularly made comments in the heat of the moment that, upon analysis a moment later, were ridiculous; for example, as a car arrived for a pit stop during a race he once said "...I'll stop the startwatch!".