Charles Williamson Crook (4 March 1862 – 29 March 1926) was an English teacher, trade union official and a Conservative and Unionist Party politician.^[1] He was the Member of Parliament (MP) for East Ham North twice, from 1922 to 1923 and from 1924 to 1926.^[1]

Crook was born in Preston, Lancashire on 4 March 1862, the son of William Crook, he was educated at St. James National School in Barrow-in-Furness, Alston College, and St. Johns College, Battersea.^[1] He became a BSc in 1886 and a BA in 1892 at London University.^[1] Crook held various appointments as a teacher and for 14 years was member of the executive of the National Union of Teachers, becoming president for a year in 1916.^[1]

In the 1922 General Election he was elected a Member of Parliament for East Ham North for the Conservative and Unionist Party.^[1][2] He lost the seat the following year in the 1923 General Election to the labour candidate Susan Lawrence.^[1][2] Crook regained the seat in 1924 General Election and held it until his death.^[1][2]

In 1900 he married Grace Madeline Swinfen and they had a son and a daughter.^[1] Crook died aged 64 on 29 March 1926 at his home in Sidcup, Kent after a three-month illness.^[1]