Kenneth "Ken"/"Jubby" Jubb (birth registered second ¼ 1912 – 1993) was an English professional rugby league footballer who played in the 1930s and 1940s. He played at representative level for Great Britain, England and Yorkshire, and at club level for Castleford (Heritage No. 97) and Leeds (Heritage No.), as a second-row, i.e. number 11 or 12, during the era of contested scrums. Jubb was a Sergeant Major in the British Army during the Second World War.