Sir William Lawrence, 4th Baronet FRHS (14 July 1913 – 3 November 1986) was an English baronet and businessman.
Lawrence was born on 14 July 1913, the son of Sir William Lawrence and his wife Iris, youngest daughter of Brigadier-General Eyre Crabbe.
On 10 July 1945 he married Pamela Mary, daughter of James Edgar Gordon and by her had a son and two daughters.
On 4 January 1924 he succeeded to his father's baronetcy (see Lawrence Baronets).
Lawrence was a Major in the East Surrey Regiment during the Second World War and was Senior Executive of Wilmot Breeden Ltd, an automotive parts production company.