Tenniel may refer to:
John Tenniel (1820–1914), Victorian illustrator famous for his illustrations of Lewis Carroll's work Tenniel Chu (born 1976), Hong Kong entrepreneur Tenniel Evans (1926–2009), Welsh actor Mount Tenniel, a mountain in Antarctica
See also Teniel Campbell (born 1997), racing cyclist from Trinidad and Tobago Tennielle Madis (born 2007), Filipino tennis player Tenille, a given name