Henry Mackay Brown (14 June 1910 – 1 June 1965) was a New Zealand rugby union player.

A wing, Brown represented King Country, Auckland, and Poverty Bay at a provincial level.

He was a member of the New Zealand national side, the All Blacks, on their 1935–36 tour of Britain, Ireland and Canada.

He played in eight matches on that tour, scoring five tries, but did not appear in any internationals.

This biographical article relating to New Zealand rugby union, about a person born in the 1910s, is a stub.