Maxwell Lloyd Wiltshire (16 July 1938 – 19 September 2021) was a Welsh international rugby union player. He played as a lock forward for Aberavon RFC during the 1960s. First capped against the touring All Blacks in 1967 along with fellow Aberavon players, Billy Mainwaring, Ian Hall and Paul James Wheeler he won four Welsh caps. He captained Aberavon in the 1965–66 & 1966–67 seasons.