John Peter Boulter (born 18 November 1940) is a British middle-distance runner who competed at two Olympic Games.
Boulter was educated at The Queen's College, Oxford and University of Bristol. He won the gold medal in the men's 4 ÃÂ 400 metres relay at the 1963 Summer Universiade with Adrian Metcalfe, Menzies Campbell and Dick Steane.
At the 1964 Olympic Games in Tokyo, he represented Great Britain in the men's 800 metres competition.
Boulter finished second behind Tom Farrell in the 880 yards event at the 1965 AAA Championships and third behind Noel Carroll at the 1966 AAA Championships.
He represented the England team at the 1966 British Empire and Commonwealth Games in Kingston, Jamaica, in the 880 yards and the 1 mile event.
Boulter became the British 880 yards champion after winning the British AAA Championships title at the 1967 AAA Championships.
After his athletics career, Boulter became a language teacher, working in Colchester and Cheltenham.