Charles Gordon Roy Siddells (7 May 1891 – 24 December 1947) was a New Zealand professional rugby league footballer who played in the 1910s. He played at representative level for New Zealand (non-Test matches) (Heritage № 62). He predominantly played for , but also played single matches for Wellington, Hawkes Bay, and Taranaki. While at club level he played for the Eastern club in Whanganui from 1912 to 1914, as a centre, i.e. number 3 or 4.