Alexander Erskine Fiddes (2 January 1914 – 1998) was a Scottish rugby union and professional rugby league footballer who played in the 1930s and 1940s, and coached rugby league in the 1940s and 1950s. He played club level rugby union (RU) for Hawick RFC, and representative level rugby league (RL) for British Empire XIII, and at club level for Huddersfield (captain) and Castleford (Heritage No. 246), as a centre, i.e. number 3 or 4, and coached club level rugby league (RL) for Huddersfield and Batley.