Alfred Stair (15 May 1845 – 2 March 1914) was an English civil servant, who was the referee at the first three FA Cup Finals, all of which were played in London in 1872, 1873 and 1874. He entered the civil service in 1864 in the Treasury, becoming Principal Accountant in 1887 and Assistant Account-General in 1889. Alfred Stair served as Accountant and Comptroller-General of Board of the Inland Revenue at Somerset House from 1900 to 1910.