Cecil "The Red Flyer" Aynsley (1902 – 1975) was an Australian rugby league footballer of the 1920s and 30s. A Queensland state and Australian representative winger, he scored a try in each of his four national representative appearances.
Born in Charters Towers, Queensland, Aynsley began his rugby league career in 1921 playing for the Western Suburbs Panthers in the Brisbane Rugby League premiership. Three years later he made his debut for Australia against the touring Great Britain side playing in all three Test matches, scoring on each occasion.
During the 1925 season with the Panthers he toured New Zealand. He had a tremendous tour scoring 34 tries in only eleven matches. This leading to the local press proclaiming him as "the Gloaming of rugby league" after the Australian race-horse which enjoyed success in New Zealand
He played his fourth and final Test match for Australia in 1928 in Brisbane against Great Britain where he scored his fourth and final representative try.
Aynsley also played for English side Rochdale from 1930 to 1935.
In June 2008, he was chosen in the Queensland Rugby League's Team of the Century on the wing.