John Hettle (May 23, 1842^[1] – September 20, 1897^[2]) was an English-born merchant and political figure in Manitoba. He represented Turtle Mountain from 1888 to 1897 in the Legislative Assembly of Manitoba as a Liberal.

He was born in Norham, Northumberland and came to Hullet Township, Huron County in Canada West with his family in 1857.^[1] Hettle later moved west, settling in Boissevain, Manitoba and going into business as an implement dealer. He served on the municipal council and was secretary-treasurer for the Turtle Mountain school board.^[2]

In 1869, Hettle married Ellen Walker. He died in office^[2] at the age of 55.