Nelson "Kelly" Ball (11 October 1908 – 9 May 1986) was a New Zealand rugby union player.

A wing, Ball represented Wanganui and Wellington at a provincial level, and was a member of the New Zealand national side, the All Blacks, from 1931 to 1936.

[1] Ball moved to South Africa in 1948 and lived there for the rest of his life.

[1] He was the father of New Zealand cartoonist Murray Ball,[1] and a first cousin of Bill Francis, who played for the All Blacks between 1913 and 1914.

This biographical article relating to New Zealand rugby union, about a person born in the 1900s, is a stub.