Alfred "Alf" Ernest Wood (27 November 1883 – 15 February 1963) was an English dual-code international rugby union and professional rugby league footballer who played in the 1900s, 1910s and 1920s. He played representative level rugby union (RU) for England, and at club level for Gloucester RFC, as a fullback, i.e. number 15, and representative level rugby league (RL) for Great Britain, and at club level for Oldham (Heritage No. 119), as a fullback, i.e. number 1.