Henry James McDicken (27 September 1874 – 20 October 1944) was an Australian politician, elected as a member of the New South Wales Legislative Assembly.
Born, Henry James Argue McDicken in Newcastle, New South Wales, he was the third child of Isabella Agnes Argue, an emigrant from Ireland, and Hugh McDicken, a compositor from India, who had been engaged by Sir Henry Parkes when he founded The Empire newspaper in 1850.
In 1900, Henry McDicken married Lydia Gillard, with whom he had 4 children.
A builder by trade, McDicken served in the First Australian Imperial Force 9th Field Coy Engineers during World War I.
He also stood as the Labor candidate for the seat of Martin in the 1925 and 1934 Federal elections.