William Eydmann junior (1866-28 December 1919) was an auctioneer, estate agent and valuer and local politician from Acton, Middlesex.
His father, William Eydmann senior (1838-1930), had moved to Acton in the mid nineteenth century. Originally he had been employed as Collector of the Queen's Taxes for the parish of Acton. He saw the potential of the rapidly-developing town and established a business selling land and buildings to developers and new residents. his son eventually joined him in what became the family firm of Eydmann & Son.
Eydmann junior became involved in Conservative Party politics at the local level and was elected to Acton Local Board and its successor Acton Urban District Council of which he was chairman from 1909-10.
In 1910 he was elected to Middlesex County Council to represent Acton South. He was re-elected in 1913.
Elections, both local and parliamentary, were suspended with the outbreak of the First World War in 1914. The Conservatives chose Harry Brittain as their official candidate to contest the new constituency of Acton. Eydmann broke with the party and announced he would be running as an independent candidate.
The general election was not held until December 1918, and Eydmann withdrew from the contest due to ill health. He did defend his county council seat in March 1919. He suffered what the Acton Gazette described as a 'crushing defeat', finishing in third place with a little over 15% of the votes cast.
He died nine months later, aged 53. His father was to outlive him by over a decade, reaching 93 years of age.