William Richard Randell "Captain Randell" (2 May 1824 – 4 March 1911), was an Australian politician and pioneer born in Devon, England, who emigrated to the newly founded colony of South Australia in 1837 with his family.
He was a pioneer of the riverboat industry on the River Murray and represented the Electoral district of Gumeracha in the South Australian House of Assembly from 1893 to 1899.
Captain Randell can also refer to his son (Richard) Murray Randell (2 February 1863 – 6 March 1952), who took over management of his father's small fleet of River Murray paddle steamers.