Sir John Pearce Luke CMG (16 July 1858 – 7 December 1931) was a New Zealand politician. Luke was Mayor of Wellington from 1913 to 1921 and Member of Parliament for Wellington Suburbs 1908–1911 and Wellington North 1918–1928. His brother Charles Manley Luke had previously also been Mayor of Wellington in 1895. Sir John Pearce was nicknamed Peanut because he was short.