James "Ham" Pirret (22 February 1915 – 4 December 1976) was a New Zealand lawn bowls player.

At the 1950 British Empire Games in Auckland he won the men's singles gold medal.

[1][2] In 1954 at the next British Empire and Commonwealth Games in Vancouver he won the silver medal in the men's singles.

[3] Pirret competed in the men's singles at his third consecutive British Empire and Commonwealth Games in 1958 at Cardiff, finishing in sixth place.

This biographical article relating to New Zealand lawn or indoor bowls is a stub.