Denys Colquhoun Flowerdew Lawson (22 January 1906 – 10 September 1975), known as Sir Denys Lowson, 1st Baronet from 1951, was a financier and Conservative Party politician. Born in Warwickshire, he was the youngest child of James Gray Flowerdew Lowson and Adelaide Louisa née Scott. His father was a physicist and businessman involved in the paper manufacturing business. From 1949-52 he sat as a member of the London County Council representing the Cities of London and Westminster.